(cleanup) Remove /signup tests
(feat) Add basic test for saving Users in database
(test) Add test for Discovery database helper
(refactor) Add default arrays to User for staches created and discovered
(refactor) Add default array to sStache model for users discovered_by
(cleanup) Remove comments from old version of test
(test) Add test for database helpers that add user and staches to each other on discovery
(feat) Add stache to user model when discovered
(cleanup) Remove console logs
(feat) Add user fbid to stache upon discover