fixing draft namescpe

app/controllers/learning_objects_controller.rb

@@ -30,7 +30,7 @@ class LearningObjectsController < ApplicationController
   # POST /learning_objects
   # POST /learning_objects.json
   def create
-    @draft = Draft.new(learning_object_params)
+    @draft = LearningObject::Draft.new(learning_object_params)
     @draft.subjects = build_subjects learning_object_params[:subjects]
 
     respond_to do |format|
@@ -80,7 +80,7 @@ class LearningObjectsController < ApplicationController
     if request.xhr?
       render json: {count: @learning_object.likes, id: params[:id]}
     end
-  end  
+  end
 
   def download
     @learning_object.download current_user