checkUserBookmark function, extra attributes in trail serializer, reflect in trails#show page
changed to trail id in serializer
added skip before filter for bookmark controller, and user now able to fav
adding ability to unfav, complete and uncomplete
showing total number of completed and favs on trail page
added photos to serializer, and referenced photos via angular on trails#show page:
wrapped bookmark stuff on index page in an if current_user statement
move angular trail controller to its own file