Change user.rb to fix migration

Gracefully fix nil team value

.env.development

@@ -4,7 +4,7 @@
 # Add changes only specific to dev. env.
 
 # Scrypt max time to reduce migration time
-SCRYPT_MAX_TIME=0.001
+SCRYPT_MAX_TIME=0.0005
 
 MYSQL_DATABASE=ensl_development
 

app/models/user.rb

@@ -335,6 +335,11 @@ class User < ActiveRecord::Base
     issues.unread_by(self)
   end
 
+  def duplicates
+    # TODO: user arel
+    User.where('lower(username) = ? AND users.id != ?', username.downcase, id)
+  end
+
   def correct_steamid_universe
     if steamid.present?
       steamid[0] = "0"
@@ -344,8 +349,9 @@ class User < ActiveRecord::Base
   # FIXME: if team has been removed
   def validate_team
     if team and !active_teams.exists?({:id => team.id})
+      # Attempts to fix team, gracefully
       self.team = nil
-      self.save!
+      self.save
       errors.add :team
     end
   end