* 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/favorite.rb

@@ -3,7 +3,7 @@ class Favorite < ActiveRecord::Base
   validates_uniqueness_of :post_id, :scope => :user_id
   
   def self.model_for(user_id)
-    mod = user_id % TABLE_COUNT
+    mod = user_id.to_i % TABLE_COUNT
     Object.const_get("Favorite#{mod}")
   end