* meta_search now pulls directly from GitHub

* Updated gems
* [inprogress] New pagination helpers used instead of pagination presenters
* [inprogress] Favorites refactored to use ActiveRecord
* [inprogress] PostSets refactored to use a decorator/dependency injection pattern
* [inprogress] Made pool/post interaction more robust
* Pool#posts now returns an ActiveRelation object
* Fixed unit tests

app/models/forum_post.rb

@@ -38,8 +38,10 @@ class ForumPost < ActiveRecord::Base
   end
   
   def update_topic_updated_at
-    topic.update_attribute(:updater_id, CurrentUser.id)
-    topic.touch
+    if topic
+      topic.update_attribute(:updater_id, CurrentUser.id)
+      topic.touch
+    end
   end
   
   def initialize_creator