angular controller actions for handling errors on login
add other authentication related actions to angular login controller, rename LoginCtrl to AuthCtrl to reflect these changes
rename login_form and registration_form to login and register to setup directive actions
move out login and register actions from auth controller to separate directives, begin setting up user profile views TODO move out rest of auth actions
refine list directive, edit data passed to it from user, graph and project controllers
show authentication errors in view
move out navigation link controls to nav ctrl
modify routes to allow refreshing of page with html5 mode enabled
basic styles for lists
placeholder styles for public graph list
fix incorrect has_many associations
prevent infinite redirect with base url, angular routes to graphs from public view and private
save forms on keypress enter
create new graph from within project view TODO update graph list
create new project TODO update project list
delete paths for projects and graphs TODO update lists on delete