1) Add unit tests for NeighborhoodPhoto
2) Add feature test for for user leaving comment blank when they edit
3) Add feature test for user being able to delete their own comment.
4) Add neighborhood_photo variable to downvote and upvote method in review so page would stop crashing.
Merge branch 'master' into unit_testing_neighbrohood_photos
Merge pull request #57 from SpencerCDixon/unit_testing_neighbrohood_photos

1) Add unit tests for NeighborhoodPhoto