-moved photo-cube JS from assets to html partial to reduce code duplication
User Story: 6
User Story: 7
CAN'T MAKE AJAX RSPEC TESTS PASS
-added flash messages upon photo approval/disapproval
User Story: 6
-added destroy action to photo with views and images
User Story: 7
-added rspec tests
-added gems to accommodate rspec
-removed debug lines
-the large commit is due to renaming an action and removing debug code