Moved average rating calculation to food truck model. Removed pg search from schema.
Merge pull request #23 from Maimer/search

Search
Merge branch 'master' into create_review
Added flash message when a review had already been created by a user for a specific truck.  Fixed logic statement that checks whether a user has already created a review for a truck.
Merge branch 'master' into create_review
Merge branch 'create_review' of github.com:Maimer/what_the_truck into create_review
Merge pull request #24 from Maimer/create_review

Create review
Merge branch 'master' into search
Should be up to date