delete card_set and cleanup rails controllers
moved urls out of init_helper into a settings file
put register,login,logout under App.Authentication to avoid name collisions (register is a method on App which gets called during initialization)
gem updates
put later ember-data in vendor
update to rv 12
cosmetic
added setting dir
got rid of unneeded tables
got rid of unnec tables
cleanup
side load cards to make CRUD work
show New card form when set has no cards and hide table; clear form when card added
bunch of changes prior to presentations
card front shouldn't show when finished