Merge pull request #2 from merhard/movie_reviews

add reviews model
Merge pull request #6 from merhard/movie_reviews

Movie reviews
Finished the user story 'Add a review'

Commented out the validates_presence_of :user_id on the review model and its associated spec
Will reinstate once we have a user model built
[#51496061 state:finished]
Merge pull request #7 from merhard/movie_reviews

Finished the user story 'Add a review'
Merge branch 'master' of github.com:merhard/Movie_App into users