(~) app: login controller and User model.
(~) app: User.create_from_form method is now sexy
(fix) app: User.create_from_form now raise a valid exception
(ninja) app: forgot one exception in previous commit...
(+) set-ed env to work with heroku's remote databases ans stuff
Merge branch 'master' of https://github.com/KesKisPass/lbem