Update Sessions and remove kanban
[#2] Fix undefined local variable user when getting current_user

Also add Bunny to Gemfile for building workers
Add reset password to API
Add confirmations but without Email
Add registrations
Add TODOS
Add BoardMappings and authenticate_confirmed_user
Update TODOS with scheduled outline
fixing login

complete redign of controllers, setup auth (sign in/ sign out)
starting boards page, got boards view working