Merge pull request #8 from cmcilhenny/facebook_authorization

facebook auth complete // pending addition of photo and location in future pull request
Merge pull request #9 from cmcilhenny/facebook_authorization

facebook authorization update // run db:migrate after rebase
updating user model to include uid to accurately pull facebook data.
updating schema for users to include uid.
fixing spacing in user model to look nice
removing puts in user model