Merge pull request #146 from warpc/fix-autocomplete-group

Fix autocomplete for group in porjects for collaborators [Fix #145]

app/models/ability.rb

@@ -31,7 +31,7 @@ class Ability
 
         can [:show, :update], Settings::Notifier, :user_id => user.id
 
-        can [:read, :create], Group
+        can [:read, :create, :autocomplete_group_uname], Group
         can [:update, :manage_members], Group do |group|
           group.objects.exists?(:object_type => 'User', :object_id => user.id, :role => 'admin') # or group.owner_id = user.id
         end