added acts_as_votable. pending display and ajax
Voting works on trucks need to check paths.
added votes for reviews and ability to unvote
created tests for votes
Merge branch 'master' into votes
sorted reviews by votes
Conflicts:
	Gemfile
	app/controllers/food_trucks_controller.rb
Removed truck voting instead using rating.
Removed old upvote buttons
removed votable from food trucks
removed generated files
removed generated file
changed reviews to scope order by
Update application.js
Merge pull request #49 from LaunchAcademy/votes

Votes