Started on Store#search. 

- Added average_rating for Product
- Moved factories
moved filtering to scope on products
added a scope for ordering products by a specific question
stores can return sorted products based on average rating or any other question
added one more test to make sure we can filter by category and sort by something
refactored a shit ton
mm more refactoring
missing toy logo file
added questions method to store
zomg i'm so angry
Merge branch 'master' of heroku.com:dose-ballmer into heroku_test
precompile assets for heroku
merge of the average_rating updates
average_rating_issues
chagned @store to current_store
chagned test to pending