added cohorts to create, read and search

api/commentables.rb

@@ -16,7 +16,6 @@ get "#{APIPREFIX}/:commentable_id/threads" do |commentable_id|
 end
 
 post "#{APIPREFIX}/:commentable_id/threads" do |commentable_id|
-  puts "**************** commentable_id is #{commentable_id}"
   thread = CommentThread.new(params.slice(*%w[title body course_id ]).merge(commentable_id: commentable_id))
   thread.anonymous = bool_anonymous || false
   thread.anonymous_to_peers = bool_anonymous_to_peers || false

models/comment_thread.rb

@@ -117,7 +117,6 @@ class CommentThread < Content
           {:term => {:group_id => params["group_id"]}}
 
         ]
-        puts "\n\n\n\n\n*****************-> #{search.filters}"
     end
     
     search.sort {|sort| sort.by sort_key, sort_order} if sort_key && sort_order #TODO should have search option 'auto sort or sth'