Merging
Removes numericality validation for rating model
Adds ratings controller #create
Merge pull request #73 from ospreys-2014/user_branch

User branch
Fixed merge conflicts
Merge branch 'front_end'
merge conflicts
review delete links functions properly
added edit for reviews
edit css and styling
Merge pull request #74 from ospreys-2014/artist_profile

Artist profile
fix merge conflicts
fix merge conflicts
fix merge conflicts
Merge branch 'user_branch' of https://github.com/ospreys-2014/Kendrick into user_branch