add and configure devise; add routes, controller, model and serializer for users
add simple user sign_up method in home ctrl for testing purposes only - to be moved to service
customize devise routes
apply patch for mongoid compatibility with devise
update devise routes
update main controller, layouts and views for new routes
install angular-devise bower component; update file structure for angular apps; update sprockets
add devise module to dashboard app and configure AuthProvider
add basic auth functions for testing
remove angular-devise library and set up own auth provider
add deviseAuth factory with login function
handle csrf token for angular server side instead of client side
add user logout and cookie auth for open sessions
update bundle