diff --git a/Gemfile b/Gemfile
index e4ced57..427b01f 100644
--- a/Gemfile
+++ b/Gemfile
@@ -38,6 +38,7 @@ group :development do
   gem 'capistrano-rails', '~> 1.1'
   gem 'capistrano3-unicorn', '~> 0.1.1'
   gem 'annotate', '~> 2.6.2'
+  gem 'quiet_assets'
 end
 
 group :test do
diff --git a/Gemfile.lock b/Gemfile.lock
index 66339d2..898d21d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -147,6 +147,8 @@ GEM
     pry-debugger (0.2.2)
       debugger (~> 1.3)
       pry (~> 0.9.10)
+    quiet_assets (1.0.2)
+      railties (>= 3.1, < 5.0)
     rack (1.4.5)
     rack-cache (1.2)
       rack (>= 0.4)
@@ -275,6 +277,7 @@ DEPENDENCIES
   oj (~> 2.5.5)
   poltergeist (~> 1.5.0)
   pry-debugger (~> 0.2.2)
+  quiet_assets
   rails (~> 3.2.17)
   rmagick (~> 2.13.2)
   rspec-rails (~> 2.14.1)
diff --git a/INSTALL.md b/INSTALL.md
index 79fcdce..d7290d3 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -64,5 +64,5 @@ Create the `.env` file with the appropriate credentials.
 # Deployment
 
 Use capistrano to deploy:
-    
+
     bundle exec cap production deploy
\ No newline at end of file
diff --git a/app/controllers/api/v1/base_controller.rb b/app/controllers/api/v1/base_controller.rb
index fddcd58..47d7648 100644
--- a/app/controllers/api/v1/base_controller.rb
+++ b/app/controllers/api/v1/base_controller.rb
@@ -1,3 +1,3 @@
 class Api::V1::BaseController < ActionController::Base
   respond_to :json
-end
\ No newline at end of file
+end
diff --git a/app/controllers/api/v1/users_controller.rb b/app/controllers/api/v1/users_controller.rb
index ef6385b..1898db6 100644
--- a/app/controllers/api/v1/users_controller.rb
+++ b/app/controllers/api/v1/users_controller.rb
@@ -2,4 +2,4 @@ class Api::V1::UsersController < Api::V1::BaseController
   def index
     respond_with Api::V1::UsersCollection.as_json
   end
-end
\ No newline at end of file
+end
diff --git a/app/controllers/articles_controller.rb b/app/controllers/articles_controller.rb
index b3d7d49..9fda95e 100644
--- a/app/controllers/articles_controller.rb
+++ b/app/controllers/articles_controller.rb
@@ -1,5 +1,5 @@
 class ArticlesController < ApplicationController
-  before_filter :get_article, :only => [:show, :edit, :update, :cleanup, :destroy]
+  before_filter :get_article, only: [:show, :edit, :update, :cleanup, :destroy]
 
   def index
     @categories = Category.ordered.nospecial.domain Category::DOMAIN_ARTICLES
@@ -49,7 +49,7 @@ class ArticlesController < ApplicationController
       flash[:notice] = t(:articles_create)
       redirect_to @article
     else
-      render :action => "new"
+      render :new
     end
   end
 
@@ -59,7 +59,7 @@ class ArticlesController < ApplicationController
       flash[:notice] = t(:articles_update)
       redirect_to @article
     else
-      render :action => "edit"
+      render :edit
     end
   end
 
diff --git a/app/controllers/bans_controller.rb b/app/controllers/bans_controller.rb
index 6081f70..a3ae9fb 100644
--- a/app/controllers/bans_controller.rb
+++ b/app/controllers/bans_controller.rb
@@ -1,5 +1,5 @@
 class BansController < ApplicationController
-  before_filter :get_ban, :only => [:show, :edit, :update, :destroy]
+  before_filter :get_ban, only: [:show, :edit, :update, :destroy]
 
   def index
     @bans = Ban.ordered
@@ -29,7 +29,7 @@ class BansController < ApplicationController
       flash[:notice] = t(:bans_create)
       redirect_to(@ban)
     else
-      render :action => "new"
+      render :new
     end
   end
 
@@ -39,7 +39,7 @@ class BansController < ApplicationController
       flash[:notice] = t(:bans_update)
       redirect_to(@ban)
     else
-      render :action => "edit"
+      render :edit
     end
   end
 
diff --git a/app/controllers/brackets_controller.rb b/app/controllers/brackets_controller.rb
index 365d1bd..374199f 100644
--- a/app/controllers/brackets_controller.rb
+++ b/app/controllers/brackets_controller.rb
@@ -1,5 +1,5 @@
 class BracketsController < ApplicationController
-  before_filter :get_bracket, :only => [:show, :edit, :update, :destroy]
+  before_filter :get_bracket, only: [:show, :edit, :update, :destroy]
 
   def edit
     raise AccessError unless @bracket.can_update? cuser
@@ -23,7 +23,7 @@ class BracketsController < ApplicationController
       flash[:notice] = t(:brackets_update)
     end
 
-    render :action => "edit"
+    render :edit
   end
 
   def destroy
diff --git a/app/controllers/categories_controller.rb b/app/controllers/categories_controller.rb
index e46a7cf..9b4afbc 100644
--- a/app/controllers/categories_controller.rb
+++ b/app/controllers/categories_controller.rb
@@ -1,11 +1,11 @@
 class CategoriesController < ApplicationController
-  before_filter :get_category, :except => [:index, :new, :create]
+  before_filter :get_category, except: [:index, :new, :create]
 
   def show
     if [Category::DOMAIN_ARTICLES, Category::DOMAIN_NEWS].include? @category.domain
       @articles = Article.with_comments.ordered.limited.nodrafts.category params[:id]
       Category.find(params[:id]).read_by! cuser if cuser
-      render :partial => "articles/article", :collection => @articles.to_a
+      render partial: 'articles/article', collection: @articles.to_a
     end
   end
 
diff --git a/app/controllers/challenges_controller.rb b/app/controllers/challenges_controller.rb
index ed83841..b652cee 100644
--- a/app/controllers/challenges_controller.rb
+++ b/app/controllers/challenges_controller.rb
@@ -1,5 +1,5 @@
 class ChallengesController < ApplicationController
-  before_filter :get_challenge, :only => ['show', 'edit', 'update', 'destroy']
+  before_filter :get_challenge, only: [:show, :edit, :update, :destroy]
 
   def index
     @challenges = Challenge.all
@@ -14,7 +14,7 @@ class ChallengesController < ApplicationController
       c.destroy
     end
 
-    render :text => t(:challenges_cleared)
+    render text: t(:challenges_cleared)
   end
 
   def new
@@ -34,7 +34,7 @@ class ChallengesController < ApplicationController
       flash[:notice] = t(:challenges_create)
       redirect_to @challenge
     else
-      render :action => "new"
+      render :new
     end
   end
 
@@ -56,7 +56,7 @@ class ChallengesController < ApplicationController
       flash[:notice] = t(:challenges_update)
     end
 
-    render :action => "show"
+    render :show
   end
 
   def destroy
diff --git a/app/controllers/comments_controller.rb b/app/controllers/comments_controller.rb
index 8610cbe..554c273 100644
--- a/app/controllers/comments_controller.rb
+++ b/app/controllers/comments_controller.rb
@@ -1,5 +1,5 @@
 class CommentsController < ApplicationController
-  before_filter :get_comment, :only => [:raw, 'edit', 'update', 'destroy']
+  before_filter :get_comment, only: [:raw, :edit, :update, :destroy]
   respond_to :html, :js
 
   def index
@@ -7,8 +7,8 @@ class CommentsController < ApplicationController
   end
 
   def show
-    @comments = Comment.recent5.all :conditions => {:commentable_id => params[:id2], :commentable_type => params[:id]}
-    render :partial => 'list', :layout => false
+    @comments = Comment.recent5.all conditions: {commentable_id: params[:id2], commentable_type: params[:id]}
+    render partial: 'list', layout: false
   end
 
   def edit
@@ -23,7 +23,7 @@ class CommentsController < ApplicationController
     respond_to do |format|
       if @comment.save
         flash[:notice] = t(:comments_create)
-        format.js  { render }
+        format.js { render }
       else
         flash[:error] = t(:comments_invalid) + @comment.errors.full_messages.to_s
         format.html { redirect_to(:back)}
@@ -37,7 +37,7 @@ class CommentsController < ApplicationController
       flash[:notice] = t(:comments_update)
       return_to
     else
-      render :action => "edit"
+      render :edit
     end
   end
 
diff --git a/app/controllers/contesters_controller.rb b/app/controllers/contesters_controller.rb
index f7a09c9..9818859 100644
--- a/app/controllers/contesters_controller.rb
+++ b/app/controllers/contesters_controller.rb
@@ -1,5 +1,5 @@
 class ContestersController < ApplicationController
-  before_filter :get_contester, :only => ['show', 'edit', 'update', :recover, :destroy, :recalc]
+  before_filter :get_contester, only: [:show, :edit, :update, :recover, :destroy, :recalc]
 
   def show
     @matches = Match.future.unfinished.ordered.of_contester @contester
@@ -38,7 +38,7 @@ class ContestersController < ApplicationController
       flash[:notice] = t(:contests_contester_update)
       redirect_to @contester
     else
-      render :action => "edit"
+      render :edit
     end
   end
 
diff --git a/app/controllers/contests_controller.rb b/app/controllers/contests_controller.rb
index 2f2e372..0c260cc 100644
--- a/app/controllers/contests_controller.rb
+++ b/app/controllers/contests_controller.rb
@@ -1,8 +1,8 @@
 class ContestsController < ApplicationController
-  before_filter :get_contest, :only => ['show', 'edit', 'update', 'destroy', 'del_map', 'scores', 'recalc']
+  before_filter :get_contest, only: [:show, :edit, :update, :destroy, :del_map, :scores, :recalc]
 
   def index
-    #@contests = Contest.all
+    # @contests = Contest.all
     @contests_active = Contest.active
     @contests_inactive = Contest.inactive
   end
@@ -60,7 +60,7 @@ class ContestsController < ApplicationController
       flash[:notice] = t(:contests_create)
       redirect_to @contest
     else
-      render :action => "new"
+      render :new
     end
   end
 
@@ -71,11 +71,11 @@ class ContestsController < ApplicationController
         flash[:notice] = t(:contests_update)
         redirect_to @contest
       else
-        render :action => "edit"
+        render :edit
       end
     elsif params[:commit] == "Add map"
       @contest.maps << Map.find(params[:map])
-      render :action => "edit"
+      render :edit
     elsif params[:commit] == "Add team"
       contester = Contester.new
       contester.team = Team.find params[:team]
@@ -86,14 +86,14 @@ class ContestsController < ApplicationController
       else
         @contest.errors.add_to_base contester.errors.full_messages.to_s
       end
-      render :action => "edit"
+      render :edit
     end
   end
 
   def del_map
     raise AccessError unless @contest.can_update? cuser
     @contest.maps.delete(Map.find(params[:id2]))
-    render :action => "edit"
+    render :edit
   end
 
   def destroy
diff --git a/app/controllers/data_files_controller.rb b/app/controllers/data_files_controller.rb
index bb1b95e..10a708a 100644
--- a/app/controllers/data_files_controller.rb
+++ b/app/controllers/data_files_controller.rb
@@ -1,5 +1,5 @@
 class DataFilesController < ApplicationController
-  before_filter :get_file, :only => ['show', 'edit', 'update', 'destroy', 'rate', :addFile, :delFile]
+  before_filter :get_file, only: [:show, :edit, :update, :destroy, :rate, :addFile, :delFile]
 
   def show
   end
@@ -41,7 +41,7 @@ class DataFilesController < ApplicationController
         redirect_to @file
       end
     else
-      render :action => "new"
+      render :new
     end
   end
 
@@ -51,7 +51,7 @@ class DataFilesController < ApplicationController
       flash[:notice] = t(:files_update)
       redirect_to(@file)
     else
-      render :action => "edit"
+      render :edit
     end
   end
 
@@ -94,7 +94,7 @@ class DataFilesController < ApplicationController
         @result << file.to_s + "<br />"
       end
     end
-    render :text => @result, :layout => true
+    render text: @result, layout: true
   end
 
   private
diff --git a/app/controllers/directories_controller.rb b/app/controllers/directories_controller.rb
index a1fc81c..f4968bc 100644
--- a/app/controllers/directories_controller.rb
+++ b/app/controllers/directories_controller.rb
@@ -1,12 +1,12 @@
 class DirectoriesController < ApplicationController
-  before_filter :get_directory, :except => [:new, :create]
+  before_filter :get_directory, except: [:new, :create]
 
   def show
     if @directory.hidden
       @files = @directory.files
-      render :partial => "data_files/list", :layout => true
+      render partial: 'data_files/list', layout: true
     else
-      @directories = Directory.ordered.filtered.all :conditions => {:parent_id => 1}
+      @directories = Directory.ordered.filtered.all conditions: { parent_id: 1 }
     end
   end
 
@@ -22,7 +22,7 @@ class DirectoriesController < ApplicationController
 
   def refresh
     @directory.process_dir
-    render :text => t(:directories_update)
+    render text: t(:directories_update)
   end
 
   def create
@@ -33,7 +33,7 @@ class DirectoriesController < ApplicationController
       flash[:notice] = t(:directories_create)
       redirect_to(@directory)
     else
-      render :action => "new"
+      render :new
     end
   end
 
@@ -43,7 +43,7 @@ class DirectoriesController < ApplicationController
       flash[:notice] = t(:directories_update)
       redirect_to @directory
     else
-      render :action => "edit"
+      render :edit
     end
   end
 
diff --git a/app/controllers/forums_controller.rb b/app/controllers/forums_controller.rb
index 1b0c560..d4107f6 100644
--- a/app/controllers/forums_controller.rb
+++ b/app/controllers/forums_controller.rb
@@ -1,5 +1,5 @@
 class ForumsController < ApplicationController
-  before_filter :get_forum, :only => [:show, :edit, :update, :up, :down, :destroy]
+  before_filter :get_forum, only: [:show, :edit, :update, :up, :down, :destroy]
 
   def index
     @categories = Category.domain(Category::DOMAIN_FORUMS).ordered
@@ -30,7 +30,7 @@ class ForumsController < ApplicationController
       flash[:notice] = t(:forums_create)
       redirect_to(@forum)
     else
-      render :action => "new"
+      render :new
     end
   end
 
@@ -40,7 +40,7 @@ class ForumsController < ApplicationController
       flash[:notice] = t(:forums_update)
       redirect_to(@forum)
     else
-      render :action => "edit"
+      render :edit
     end
   end
 
diff --git a/app/controllers/gatherers_controller.rb b/app/controllers/gatherers_controller.rb
index 547dc05..6a45076 100644
--- a/app/controllers/gatherers_controller.rb
+++ b/app/controllers/gatherers_controller.rb
@@ -1,5 +1,5 @@
 class GatherersController < ApplicationController
-  before_filter :get_gatherer, :except => [:create]
+  before_filter :get_gatherer, except: [:create]
 
   def create
     Gather.transaction do
diff --git a/app/controllers/gathers_controller.rb b/app/controllers/gathers_controller.rb
index 9788220..b95bea0 100644
--- a/app/controllers/gathers_controller.rb
+++ b/app/controllers/gathers_controller.rb
@@ -1,5 +1,5 @@
 class GathersController < ApplicationController
-  before_filter :get_gather, :except => [:latest, :index, :create]
+  before_filter :get_gather, except: [:latest, :index, :create]
   respond_to :html, :js
 
   def index
diff --git a/app/controllers/groups_controller.rb b/app/controllers/groups_controller.rb
index 8ef629c..df96dc2 100644
--- a/app/controllers/groups_controller.rb
+++ b/app/controllers/groups_controller.rb
@@ -1,5 +1,5 @@
 class GroupsController < ApplicationController
-  before_filter :get_group, :except => [:index, :new, :create]
+  before_filter :get_group, except: [:index, :new, :create]
 
   def index
     @groups = Group.all
@@ -26,7 +26,7 @@ class GroupsController < ApplicationController
       flash[:notice] = t(:groups_create)
       redirect_to @group
     else
-      render :action => "new"
+      render :new
     end
   end
 
@@ -36,7 +36,7 @@ class GroupsController < ApplicationController
       flash[:notice] = t(:groups_update)
       redirect_to @group
     else
-      render :action => "edit"
+      render :edit
     end
   end
 
@@ -47,12 +47,12 @@ class GroupsController < ApplicationController
   end
 
   def addUser
-    @user = User.first :conditions => {:username => params[:username]}
+    @user = User.first conditions: {username: params[:username]}
     raise AccessError unless @group.can_update? cuser
     raise Error, t(:duplicate_user) if @group.users.include? @user
 
     @group.users << @user if @user
-    redirect_to edit_group_url(@group, :groupTab => "groupTabMembers")
+    redirect_to edit_group_url(@group, groupTab: "groupTabMembers")
   end
 
   def delUser
@@ -60,7 +60,7 @@ class GroupsController < ApplicationController
     raise AccessError unless @group.can_update? cuser
 
     @group.users.delete @user
-    redirect_to edit_group_url(@group, :groupTab => "groupTabMembers")
+    redirect_to edit_group_url(@group, groupTab: "groupTabMembers")
   end
 
   private
diff --git a/app/controllers/issues_controller.rb b/app/controllers/issues_controller.rb
index cf0e922..3fb04c9 100644
--- a/app/controllers/issues_controller.rb
+++ b/app/controllers/issues_controller.rb
@@ -1,5 +1,5 @@
 class IssuesController < ApplicationController
-  before_filter :get_issue, :only => [:show, :edit, :update, :destroy]
+  before_filter :get_issue, only: [:show, :edit, :update, :destroy]
 
   def index
     raise AccessError unless cuser and cuser.admin?
@@ -12,9 +12,9 @@ class IssuesController < ApplicationController
            else "created_at DESC"
            end
 
-    @open = Issue.with_status(Issue::STATUS_OPEN).all :order => sort
-    @solved = Issue.with_status(Issue::STATUS_SOLVED).all :order => sort
-    @rejected = Issue.with_status(Issue::STATUS_REJECTED).all :order => sort
+    @open = Issue.with_status(Issue::STATUS_OPEN).all order: sort
+    @solved = Issue.with_status(Issue::STATUS_SOLVED).all order: sort
+    @rejected = Issue.with_status(Issue::STATUS_REJECTED).all order: sort
   end
 
   def show
@@ -44,7 +44,7 @@ class IssuesController < ApplicationController
         redirect_to_home
       end
     else
-      render :action => "new"
+      render :new
     end
   end
 
@@ -54,7 +54,7 @@ class IssuesController < ApplicationController
       flash[:notice] = t(:issues_update)
       redirect_to(@issue)
     else
-      render :action => "edit"
+      render :edit
     end
   end
 
diff --git a/app/controllers/log_events_controller.rb b/app/controllers/log_events_controller.rb
index abad28d..e1064ee 100644
--- a/app/controllers/log_events_controller.rb
+++ b/app/controllers/log_events_controller.rb
@@ -6,7 +6,7 @@ class LogEventsController < ApplicationController
 
     respond_to do |format|
       format.html # index.html.erb
-      format.xml  { render :xml => @log_events }
+      format.xml  { render xml: @log_events }
     end
   end
 
@@ -17,7 +17,7 @@ class LogEventsController < ApplicationController
 
     respond_to do |format|
       format.html # show.html.erb
-      format.xml  { render :xml => @log_event }
+      format.xml  { render xml: @log_event }
     end
   end
 
@@ -28,7 +28,7 @@ class LogEventsController < ApplicationController
 
     respond_to do |format|
       format.html # new.html.erb
-      format.xml  { render :xml => @log_event }
+      format.xml  { render xml: @log_event }
     end
   end
 
@@ -46,10 +46,10 @@ class LogEventsController < ApplicationController
       if @log_event.save
         flash[:notice] = t(:logevent_create)
         format.html { redirect_to(@log_event) }
-        format.xml  { render :xml => @log_event, :status => :created, :location => @log_event }
+        format.xml  { render xml: @log_event, :status => :created, :location => @log_event }
       else
-        format.html { render :action => "new" }
-        format.xml  { render :xml => @log_event.errors, :status => :unprocessable_entity }
+        format.html { render :new }
+        format.xml  { render xml: @log_event.errors, :status => :unprocessable_entity }
       end
     end
   end
@@ -65,8 +65,8 @@ class LogEventsController < ApplicationController
         format.html { redirect_to(@log_event) }
         format.xml  { head :ok }
       else
-        format.html { render :action => "edit" }
-        format.xml  { render :xml => @log_event.errors, :status => :unprocessable_entity }
+        format.html { render :edit }
+        format.xml  { render xml: @log_event.errors, :status => :unprocessable_entity }
       end
     end
   end
diff --git a/app/controllers/log_files_controller.rb b/app/controllers/log_files_controller.rb
index 35c0098..dda7433 100644
--- a/app/controllers/log_files_controller.rb
+++ b/app/controllers/log_files_controller.rb
@@ -1,12 +1,12 @@
 class LogFilesController < ApplicationController
   def index
     LogFile.process
-    render :text => "Ok"
+    render text: 'Ok'
   end
 
   def handle
     LogFile.find(params[:id]).deal
-    render :text => "Ok"
+    render text: 'Ok'
   end
 
   def refresh
@@ -16,9 +16,9 @@ class LogFilesController < ApplicationController
   end
 
   def fix
-    Rounder.find_in_batches(:batch_size => 100) do |rounders|
+    Rounder.find_in_batches(batch_size: 100) do |rounders|
       rounders.each do |r|
-        r.team_id = nil 
+        r.team_id = nil
         if r.user and t = Teamer.historic(r.user, r.round.start).first
           r.team_id =  t.team_id
         end
diff --git a/app/controllers/maps_controller.rb b/app/controllers/maps_controller.rb
index 7862eac..cb5546b 100644
--- a/app/controllers/maps_controller.rb
+++ b/app/controllers/maps_controller.rb
@@ -1,5 +1,5 @@
 class MapsController < ApplicationController
-  before_filter :get_map, :only => [:show, :edit, :update, :destroy]
+  before_filter :get_map, only: [:show, :edit, :update, :destroy]
 
   def index
     @maps = Map.basic
@@ -25,7 +25,7 @@ class MapsController < ApplicationController
       flash[:notice] = t(:maps_create)
       redirect_to @map
     else
-      render :action => "new"
+      render :new
     end
   end
 
@@ -35,7 +35,7 @@ class MapsController < ApplicationController
       flash[:notice] = t(:maps_update)
       redirect_to @map
     else
-      render :action => "edit"
+      render :edit
     end
   end
 
diff --git a/app/controllers/matches_controller.rb b/app/controllers/matches_controller.rb
index 16a754b..9827dfe 100644
--- a/app/controllers/matches_controller.rb
+++ b/app/controllers/matches_controller.rb
@@ -1,12 +1,12 @@
 class MatchesController < ApplicationController
-  before_filter :get_match, :except => [:index, :new, :create]
+  before_filter :get_match, except: [:index, :new, :create]
 
   def index
     @matches = Match.active
   end
 
   def show
-    @ownpred = @match.predictions.first :conditions => {:user_id => cuser.id} if cuser
+    @ownpred = @match.predictions.first conditions: {user_id: cuser.id} if cuser
     @newpred = @match.predictions.build
   end
 
@@ -40,9 +40,9 @@ class MatchesController < ApplicationController
 
     if @match.save
       flash[:notice] = t(:matches_create)
-      redirect_to :controller => "contests", :action => "edit", :id => @match.contest
+      redirect_to controller: 'contests', action: 'edit', id: @match.contest
     else
-      render :action => "new"
+      render :new
     end
   end
 
@@ -69,7 +69,7 @@ class MatchesController < ApplicationController
         end
       end
     else
-      render :action => "edit"
+      render :edit
     end
   end
 
@@ -88,13 +88,13 @@ class MatchesController < ApplicationController
       @match.hltv_stop
       flash[:notice] = t(:hltv_stopped)
     end
-    redirect_to :action => "show"
+    redirect_to action: 'show'
   end
 
   def destroy
     raise AccessError unless @match.can_destroy? cuser
     @match.destroy
-    redirect_to :controller => "contests", :action => "edit", :id => @match.contest
+    redirect_to controller: 'contests', action: 'edit', id: @match.contest
   end
 
   private
diff --git a/app/controllers/messages_controller.rb b/app/controllers/messages_controller.rb
index 46f5320..7c248e5 100644
--- a/app/controllers/messages_controller.rb
+++ b/app/controllers/messages_controller.rb
@@ -1,5 +1,5 @@
 class MessagesController < ApplicationController
-  before_filter :get_message, :only => [:show, :edit, :update, :destroy]
+  before_filter :get_message, only: [:show, :edit, :update, :destroy]
 
   def index
     raise AccessError unless cuser
@@ -37,7 +37,7 @@ class MessagesController < ApplicationController
       flash[:notice] = t(:message_create)
       redirect_to(@message)
     else
-      render :action => "new"
+      render :new
     end
   end
 
diff --git a/app/controllers/movies_controller.rb b/app/controllers/movies_controller.rb
index f49cf96..bfdf191 100644
--- a/app/controllers/movies_controller.rb
+++ b/app/controllers/movies_controller.rb
@@ -1,5 +1,5 @@
 class MoviesController < ApplicationController
-  before_filter :get_movie, :except => [:index, :new, :create]
+  before_filter :get_movie, except: [:index, :new, :create]
 
   def index
     @movies = []
@@ -48,7 +48,7 @@ class MoviesController < ApplicationController
       flash[:notice] = t(:movies_create)
       redirect_to(@movie)
     else
-      render :action => "new"
+      render :new
     end
   end
 
@@ -59,7 +59,7 @@ class MoviesController < ApplicationController
       flash[:notice] = t(:movies_update)
       redirect_to(@movie)
     else
-      render :action => "edit"
+      render :edit
     end
   end
 
@@ -67,20 +67,20 @@ class MoviesController < ApplicationController
     raise AccessError unless @movie.can_update? cuser
     x = params[:x].to_i <= 1280 ? params[:x].to_i : 800
     y = params[:y].to_i <= 720 ? params[:y].to_i : 600
-    render :text => t(:executed) + "<br />" + @movie.make_preview(x, y), :layout => true
+    render text: t(:executed) + "<br />" + @movie.make_preview(x, y), layout: true
   end
 
   def snapshot
     raise AccessError unless @movie.can_update? cuser
     secs = params[:secs].to_i > 0 ? params[:secs].to_i : 5
-    render :text => t(:executed) + "<br />" + @movie.make_snapshot(secs), :layout => true
+    render text: t(:executed) + "<br />" + @movie.make_snapshot(secs), layout: true
   end
 
   def download
     raise AccessError unless cuser.admin?
     @movie.stream_ip = params[:ip]
     @movie.stream_port = params[:port]
-    render :text => t(:executed) + "<br />" + @movie.make_stream, :layout => true
+    render text: t(:executed) + "<br />" + @movie.make_stream, layout: true
   end
 
   def destroy
diff --git a/app/controllers/options_controller.rb b/app/controllers/options_controller.rb
index 34b3192..2dd640d 100644
--- a/app/controllers/options_controller.rb
+++ b/app/controllers/options_controller.rb
@@ -1,5 +1,5 @@
 class PollsController < ApplicationController
-  before_filter :get_poll, :except => [:index, :new, :create]
+  before_filter :get_poll, except: [:index, :new, :create]
   respond_to :js
 
   def add
@@ -14,7 +14,7 @@ class PollsController < ApplicationController
       flash[:notice] = t(:polls_create)
       redirect_to @poll
     else
-      render :action => "new"
+      render :new
     end
   end
 
@@ -25,7 +25,7 @@ class PollsController < ApplicationController
       flash[:notice] = t(:polls_update)
       redirect_to @poll
     else
-      render :action => "edit"
+      render :edit
     end
   end
 
diff --git a/app/controllers/polls_controller.rb b/app/controllers/polls_controller.rb
index 12526e9..c5d327b 100644
--- a/app/controllers/polls_controller.rb
+++ b/app/controllers/polls_controller.rb
@@ -1,5 +1,5 @@
 class PollsController < ApplicationController
-  before_filter :get_poll, :except => [:index, :new, :create]
+  before_filter :get_poll, except: [:index, :new, :create]
 
   def index
     @polls = Poll.all
@@ -27,7 +27,7 @@ class PollsController < ApplicationController
       flash[:notice] = t(:polls_create)
       redirect_to @poll
     else
-      render :action => "new"
+      render :new
     end
   end
 
@@ -38,7 +38,7 @@ class PollsController < ApplicationController
       flash[:notice] = t(:polls_update)
       redirect_to @poll
     else
-      render :action => "edit"
+      render :edit
     end
   end
 
diff --git a/app/controllers/posts_controller.rb b/app/controllers/posts_controller.rb
index bb0b09c..cb3f7f1 100644
--- a/app/controllers/posts_controller.rb
+++ b/app/controllers/posts_controller.rb
@@ -1,5 +1,5 @@
 class PostsController < ApplicationController
-  before_filter :get_post, :except => [:new, :create]
+  before_filter :get_post, except: [:new, :create]
   respond_to :html, :js
 
   def quote
@@ -10,12 +10,12 @@ class PostsController < ApplicationController
     @post = Post.new
     @post.topic = Topic.find(params[:id])
     raise AccessError unless @post.can_create? cuser
-    render :layout => "forums"
+    render layout: 'forums'
   end
 
   def edit
     raise AccessError unless @post.can_update? cuser
-    render :layout => "forums"
+    render layout: 'forums'
   end
 
   def create
@@ -40,7 +40,7 @@ class PostsController < ApplicationController
       flash[:notice] = t(:posts_update)
       redirect_to @post.topic
     else
-      render :action => "edit"
+      render :edit
     end
   end
 
diff --git a/app/controllers/rounds_controller.rb b/app/controllers/rounds_controller.rb
index 6cd42c1..b09511b 100644
--- a/app/controllers/rounds_controller.rb
+++ b/app/controllers/rounds_controller.rb
@@ -10,12 +10,12 @@ class RoundsController < ApplicationController
            end
 
     @rounds = Round.basic.paginate \
-      :order => sort,
-      :page => params[:page],
-      :per_page => 30
+      order: sort,
+      page: params[:page],
+      per_page: 30
 
     if params[:ajax]
-      render :partial => "list", :layout => false
+      render partial: 'list', layout: false
       return
     end
   end
diff --git a/app/controllers/servers_controller.rb b/app/controllers/servers_controller.rb
index f96998a..1197d7c 100644
--- a/app/controllers/servers_controller.rb
+++ b/app/controllers/servers_controller.rb
@@ -1,5 +1,5 @@
 class ServersController < ApplicationController
-  before_filter :get_server, :except => [:index, :refresh, :new, :create]
+  before_filter :get_server, except: [:index, :refresh, :new, :create]
 
   def refresh
     Server.refresh
@@ -30,7 +30,7 @@ class ServersController < ApplicationController
     raise AccessError unless @server.can_update? cuser
 
     if request.xhr?
-      render :partial => "response", :layout => false
+      render partial: 'response', layout: false
     end
   end
 
@@ -43,7 +43,7 @@ class ServersController < ApplicationController
       flash[:notice] = t(:server_create)
       redirect_to @server
     else
-      render :action => "new"
+      render :new
     end
   end
 
@@ -54,14 +54,14 @@ class ServersController < ApplicationController
       flash[:notice] = t(:server_update)
       redirect_to @server
     else
-      render :action => "edit"
+      render :edit
     end
   end
 
   def default
     raise AccessError unless @server.can_update? cuser
     @server.default_record
-    render :text => "Ok"
+    render text: 'Ok'
   end
 
   def destroy
diff --git a/app/controllers/teams_controller.rb b/app/controllers/teams_controller.rb
index ce05026..a610a21 100644
--- a/app/controllers/teams_controller.rb
+++ b/app/controllers/teams_controller.rb
@@ -1,5 +1,5 @@
 class TeamsController < ApplicationController
-  before_filter :get_team, :only => ['show', 'edit', 'update', 'destroy', 'recover']
+  before_filter :get_team, only: [:show, :edit, :update, :destroy, :recover]
 
   def index
     @teams = Team.with_teamers_num(0).ordered
@@ -26,7 +26,7 @@ class TeamsController < ApplicationController
       flash[:notice] = t(:teams_create)
       redirect_to @team
     else
-      render :action => "new"
+      render :new
     end
   end
 
@@ -48,7 +48,7 @@ class TeamsController < ApplicationController
       flash[:notice] = t(:teams_update)
       redirect_to edit_team_path(@team)
     else
-      render :action => "edit"
+      render :edit
     end
   end
 
diff --git a/app/controllers/topics_controller.rb b/app/controllers/topics_controller.rb
index 5b228c6..38a8306 100644
--- a/app/controllers/topics_controller.rb
+++ b/app/controllers/topics_controller.rb
@@ -1,13 +1,13 @@
 class TopicsController < ApplicationController
-  before_filter :get_topic, :only => [:show, :reply, :edit, :update, :destroy]
+  before_filter :get_topic, only: [:show, :reply, :edit, :update, :destroy]
 
   def index
-    render :partial => true, :locals => {:page => params[:p].to_i}
+    render partial: true, locals: {page: params[:p].to_i}
   end
 
   def show
     raise AccessError unless @topic.can_show? cuser
-    @posts = @topic.posts.basic.paginate(:page => params[:page], 
+    @posts = @topic.posts.basic.paginate(:page => params[:page],
                                          :per_page => Topic::POSTS_PAGE)
 
     return_here
@@ -18,16 +18,16 @@ class TopicsController < ApplicationController
     @newpost.topic = @topic
     @newpost.user = cuser
     @lock = (@topic.lock ? @topic.lock : Lock.new(:lockable => @topic))
-    render :layout => "forums"
+    render layout: 'forums'
   end
 
   def reply
     @post = @topic.posts.build
     raise AccessError unless @post.can_create? cuser
     if request.xhr?
-      render "quickreply", :layout => false
+      render 'quickreply', layout: false
     else
-      render :layout => "forums"
+      render layout: 'forums'
     end
   end
 
@@ -35,12 +35,12 @@ class TopicsController < ApplicationController
     @topic = Topic.new
     @topic.forum = Forum.find(params[:id])
     raise AccessError unless @topic.can_create? cuser
-    render :layout => "forums"
+    render layout: 'forums'
   end
 
   def edit
     raise AccessError unless @topic.can_update? cuser
-    render :layout => "forums"
+    render layout: 'forums'
   end
 
   def create
@@ -52,7 +52,7 @@ class TopicsController < ApplicationController
       flash[:notice] = t(:topics_create)
       redirect_to(@topic)
     else
-      render :action => "new"
+      render :new
     end
   end
 
@@ -62,7 +62,7 @@ class TopicsController < ApplicationController
       flash[:notice] = t(:topics_update)
       redirect_to(@topic)
     else
-      render :action => "edit"
+      render :edit
     end
   end
 
diff --git a/app/controllers/tweets_controller.rb b/app/controllers/tweets_controller.rb
index 3f372ac..93106d0 100644
--- a/app/controllers/tweets_controller.rb
+++ b/app/controllers/tweets_controller.rb
@@ -3,7 +3,7 @@ require 'open-uri'
 
 class TweetsController < ApplicationController
   def index
-    @tweets = Tweet.all :order => "created_at DESC"
+    @tweets = Tweet.all order: "created_at DESC"
     @nobody = true
   end
 
@@ -24,6 +24,6 @@ class TweetsController < ApplicationController
       end
     end
 
-    render :text => t(:tweets_refresh)
+    render text: t(:tweets_refresh)
   end
 end
diff --git a/app/controllers/users_controller.rb b/app/controllers/users_controller.rb
index 607b732..dda9ad1 100644
--- a/app/controllers/users_controller.rb
+++ b/app/controllers/users_controller.rb
@@ -1,9 +1,9 @@
 class UsersController < ApplicationController
-  before_filter :get_user, :only => [:show, :history, :popup, :agenda, :edit, :update, :destroy]
+  before_filter :get_user, only: [:show, :history, :popup, :agenda, :edit, :update, :destroy]
   respond_to :html, :js
 
   def index
-    @users = User.search(params[:search]).paginate(:per_page => 40, :page => params[:page])
+    @users = User.search(params[:search]).paginate(per_page: 40, page: params[:page])
   end
 
   def show
@@ -29,7 +29,7 @@ class UsersController < ApplicationController
   end
 
   def popup
-    render :layout => false
+    render layout: false
   end
 
   def new
@@ -54,10 +54,10 @@ class UsersController < ApplicationController
       @user.profile = Profile.new
       @user.profile.user = @user
       @user.profile.save()
-      redirect_to :action => :show, :id => @user.id
+      redirect_to action: :show, id: @user.id
       save_session @user
     else
-      render :action => "new"
+      render :new
     end
   end
 
@@ -67,7 +67,7 @@ class UsersController < ApplicationController
       flash[:notice] = t(:users_update)
       redirect_to_back
     else
-      render :action => "edit"
+      render :edit
     end
   end
 
diff --git a/app/controllers/versions_controller.rb b/app/controllers/versions_controller.rb
index 0c7d7b0..83b147c 100644
--- a/app/controllers/versions_controller.rb
+++ b/app/controllers/versions_controller.rb
@@ -3,13 +3,13 @@ class VersionsController < ApplicationController
 
   def index
     @versions = @article.versions
-    render "articles/history"
+    render 'articles/history'
   end
 
   def show
     @version = @article.versions.find params[:id]
     @nobody = true
-    render "articles/version"
+    render 'articles/version'
   end
 
   def update
diff --git a/app/controllers/votes_controller.rb b/app/controllers/votes_controller.rb
index 809f72d..052925d 100644
--- a/app/controllers/votes_controller.rb
+++ b/app/controllers/votes_controller.rb
@@ -1,6 +1,6 @@
 class VotesController < ApplicationController
   def create
-    @vote = Vote.new params[:vote]
+    @vote = Vote.new(params[:vote])
     @vote.user = cuser
     raise AccessError unless @vote.can_create? cuser
 
diff --git a/app/controllers/weeks_controller.rb b/app/controllers/weeks_controller.rb
index 1f56ace..e6bc7e2 100644
--- a/app/controllers/weeks_controller.rb
+++ b/app/controllers/weeks_controller.rb
@@ -1,9 +1,9 @@
 class WeeksController < ApplicationController
-  before_filter :get_week, :except => [:new, :create]
+  before_filter :get_week, except: [:new, :create]
 
   def new
     @week = Week.new
-    @week.contest = Contest.find params[:id]
+    @week.contest = Contest.find(params[:id])
     raise AccessError unless @week.can_create? cuser
   end
 
@@ -19,7 +19,7 @@ class WeeksController < ApplicationController
       flash[:notice] = t(:weeks_create)
       redirect_to @week.contest
     else
-      render :action => "new"
+      render :new
     end
   end
 
@@ -30,7 +30,7 @@ class WeeksController < ApplicationController
       flash[:notice] = t(:weeks_update)
       redirect_to @week.contest
     else
-      render :action => "edit"
+      render :edit
     end
   end
 
@@ -43,6 +43,6 @@ class WeeksController < ApplicationController
   private
 
   def get_week
-    @week = Week.find params[:id]
+    @week = Week.find(params[:id])
   end
 end
diff --git a/app/models/article.rb b/app/models/article.rb
index bb4a669..c2edaf1 100644
--- a/app/models/article.rb
+++ b/app/models/article.rb
@@ -37,26 +37,26 @@ class Article < ActiveRecord::Base
 
   attr_protected :id, :updated_at, :created_at, :user_id, :version
 
-  scope :recent, :order => "created_at DESC", :limit => 8
+  scope :recent, order: 'created_at DESC', limit: 8
   scope :with_comments,
-    :select => "articles.*, COUNT(C.id) AS comment_num",
-    :joins	=> "LEFT JOIN comments C ON C.commentable_type = 'Article' AND C.commentable_id = articles.id",
-    :group => "articles.id"
-  scope :ordered, :order => "articles.created_at DESC"
-  scope :limited, :limit => 5
-  scope :nodrafts, :conditions => {:status => STATUS_PUBLISHED}
-  scope :drafts, :conditions => {:status => STATUS_DRAFT}
-  scope :articles, :conditions => ["category_id IN (SELECT id FROM categories WHERE domain = ?)", Category::DOMAIN_ARTICLES]
-  scope :onlynews, :conditions => ["category_id IN (SELECT id FROM categories WHERE domain = ?)", Category::DOMAIN_NEWS]
-  scope :category, lambda { |cat| {:conditions => {:category_id => cat}} }
-  scope :domain, lambda { |domain| {:include => "category", :conditions => {"categories.domain" => domain}} }
-  scope :nospecial, :conditions => ["category_id != ?", Category::SPECIAL]
-  scope :interviews, :conditions => ["category_id = ?", Category::INTERVIEWS]
+    select: "articles.*, COUNT(C.id) AS comment_num",
+    joins: "LEFT JOIN comments C ON C.commentable_type = 'Article' AND C.commentable_id = articles.id",
+    group: "articles.id"
+  scope :ordered, order: 'articles.created_at DESC'
+  scope :limited, limit: 5
+  scope :nodrafts, conditions: { status: STATUS_PUBLISHED }
+  scope :drafts, conditions: { status: STATUS_DRAFT }
+  scope :articles, conditions: ["category_id IN (SELECT id FROM categories WHERE domain = ?)", Category::DOMAIN_ARTICLES]
+  scope :onlynews, conditions: ["category_id IN (SELECT id FROM categories WHERE domain = ?)", Category::DOMAIN_NEWS]
+  scope :category, lambda { |cat| { conditions: { category_id: cat } } }
+  scope :domain, lambda { |domain| { includes: 'category', conditions: { "categories.domain" => domain } } }
+  scope :nospecial, conditions: ["category_id != ?", Category::SPECIAL]
+  scope :interviews, conditions: ["category_id = ?", Category::INTERVIEWS]
 
   belongs_to :user
   belongs_to :category
-  has_many :comments, :as => :commentable, :order => "created_at ASC", :dependent => :destroy
-  has_many :files, :class_name => "DataFile", :order => "created_at DESC", :dependent => :destroy
+  has_many :comments, as: :commentable, order: 'created_at ASC', dependent: :destroy
+  has_many :files, class_name: 'DataFile', order: 'created_at DESC', dependent: :destroy
 
   validates_length_of :title, :in => 1..50
   validates_length_of :text, :in => 1..16000000
@@ -82,11 +82,11 @@ class Article < ActiveRecord::Base
   end
 
   def previous_article
-    category.articles.nodrafts.first(:conditions => ["id < ?", self.id], :order => "id DESC")
+    category.articles.nodrafts.first(conditions: ["id < ?", self.id], order: "id DESC")
   end
 
   def next_article
-    category.articles.nodrafts.first(:conditions => ["id > ?", self.id], :order => "id ASC")
+    category.articles.nodrafts.first(conditions: ["id > ?", self.id], order: "id ASC")
   end
 
   def statuses
@@ -114,11 +114,11 @@ class Article < ActiveRecord::Base
     if (new_record? or status_changed?) and status == STATUS_PUBLISHED
       case category.domain
       when Category::DOMAIN_NEWS
-        Profile.all(:include => :user, :conditions => "notify_news = 1").each do |p|
+        Profile.all(includes: :user, conditions: "notify_news = 1").each do |p|
           Notifications.news p.user, self if p.user
         end
       when Category::DOMAIN_ARTICLES
-        Profile.all(:include => :user, :conditions => "notify_articles = 1").each do |p|
+        Profile.all(includes: :user, conditions: "notify_articles = 1").each do |p|
           Notifications.article p.user, self if p.user
         end
       end
diff --git a/app/models/ban.rb b/app/models/ban.rb
index 0771729..e234580 100644
--- a/app/models/ban.rb
+++ b/app/models/ban.rb
@@ -29,16 +29,16 @@ class Ban < ActiveRecord::Base
   attr_protected :id, :created_at, :updated_at
   attr_accessor :ts, :sign, :len, :user_name
 
-  scope :ordered, :order => "created_at DESC"
-  scope :effective, :conditions => "expiry > UTC_TIMESTAMP()"
-  scope :ineffective, :conditions => "expiry < UTC_TIMESTAMP()"
+  scope :ordered, order: "created_at DESC"
+  scope :effective, conditions: "expiry > UTC_TIMESTAMP()"
+  scope :ineffective, conditions: "expiry < UTC_TIMESTAMP()"
 
   validate :validate_ts
   validate :validate_type
   validate :validate_ventban
-  validates_format_of :steamid, :with => /\A([0-9]{1,10}:){2}[0-9]{1,10}\Z/, :allow_blank => true
-  validates_format_of :addr, :with => /\A([0-9]{1,3}\.){3}[0-9]{1,3}:?[0-9]{0,5}\z/, :allow_blank => true
-  validates_length_of :reason, :maximum => 255, :allow_nil => true, :allow_blank => true
+  validates_format_of :steamid, with: /\A([0-9]{1,10}:){2}[0-9]{1,10}\Z/, allow_blank: true
+  validates_format_of :addr, with: /\A([0-9]{1,3}\.){3}[0-9]{1,3}:?[0-9]{0,5}\z/, allow_blank: true
+  validates_length_of :reason, maximum: 255, allow_nil: true, allow_blank: true
 
   before_validation :check_user
 
@@ -78,8 +78,8 @@ class Ban < ActiveRecord::Base
     if user_name
       self.user = User.find_by_username(user_name)
     else
-      self.user = User.first(:conditions => {:steamid => steamid})
-      self.server = Server.first(:conditions => ["CONCAT(ip, ':', port) = ?", addr])
+      self.user = User.first(conditions: { steamid: steamid })
+      self.server = Server.first(conditions: ["CONCAT(ip, ':', port) = ?", addr])
     end
   end
 
diff --git a/app/services/api/v1/collection.rb b/app/services/api/v1/collection.rb
index 60eada4..bc7c3b4 100644
--- a/app/services/api/v1/collection.rb
+++ b/app/services/api/v1/collection.rb
@@ -2,4 +2,4 @@ class Api::V1::Collection
   def execute_query
     ActiveRecord::Base.connection.execute(arel_query.to_sql)
   end
-end
\ No newline at end of file
+end
diff --git a/app/services/api/v1/users_collection.rb b/app/services/api/v1/users_collection.rb
index 4b9d494..8065d41 100644
--- a/app/services/api/v1/users_collection.rb
+++ b/app/services/api/v1/users_collection.rb
@@ -55,4 +55,4 @@ class Api::V1::UsersCollection < Api::V1::Collection
       }
     end
   end
-end
\ No newline at end of file
+end