Updated unicorn config

Updated gem versions
Removed foreman

config/deploy.rb

@@ -3,6 +3,7 @@ lock '3.1.0'
 set :application, 'ensl'
 set :deploy_user, 'deploy'
 set :deploy_to, '/var/www/virtual/ensl.org/deploy'
+set :deploy_via, :remote_cache
 set :pty, true
 
 set :scm, :git
@@ -11,14 +12,18 @@ set :keep_releases, 10
 
 set :rbenv_type, :user
 set :rbenv_ruby, '2.1.1'
-set :rbenv_sudo, "sudo /home/#{fetch(:deploy_user)}/.rbenv/bin/rbenv sudo"
 
+set :unicorn_config_path, "config/unicorn.rb"
+set :unicorn_rack_env, fetch(:rails_env)
+
+set :writable_dirs, %w{public tmp}
 set :linked_files, %w{.env}
 set :linked_dirs, %w{bin log tmp/pids tmp/cache tmp/sockets vendor/bundle 
                      public/system public/local public/uploads}
 
-set :writable_dirs, %w{public tmp}
-set :normalize_asset_timestamps, %{public/images public/javascripts public/stylesheets}
+set :normalize_asset_timestamps, %{public/images 
+                                   public/javascripts
+                                   public/stylesheets}
 
 namespace :deploy do
   namespace :check do
@@ -38,43 +43,9 @@ namespace :deploy do
     end
   end
 
-  desc 'Restart application'
   task :restart do
-    invoke 'foreman:export'
-    invoke 'foreman:restart'
+    invoke 'unicorn:restart'
   end
 
   after :publishing, :restart
-end
-
-namespace :foreman do
-  desc "Export the Procfile to Ubuntu's upstart scripts"
-  task :export do
-    on roles(:app) do |host|
-      within release_path do
-        execute fetch(:rbenv_sudo), "bundle exec foreman export upstart /etc/init -a #{fetch(:application)} -u #{fetch(:deploy_user)} -l #{fetch(:deploy_to)}/shared/log"
-      end
-    end
-  end
-
-  desc "Start the application services"
-  task :start do
-    on roles(:app) do |host|
-      execute "sudo service #{fetch(:application)} start"
-    end
-  end
-
-  desc "Stop the application services"
-  task :stop do
-    on roles(:app) do |host|
-      execute "sudo service #{fetch(:application)} stop"
-    end
-  end
-
-  desc "Restart the application services"
-  task :restart do
-    on roles(:app) do |host|
-      execute "sudo service #{fetch(:application)} start || #{sudo} service #{fetch(:application)} restart"
-    end
-  end
 end