Bump to v0.4.4 - Registration and Crispy Forms

RecompileDB needed. Data dump not provided cause it's just adding tables
to DB

WARNING the mail server is linked to my personal account, just for
testing purposes. Please remove it :D

BUDGET: Create Register User - Now a user can register , (thanks to
django-registration module). Receives a mail with a link valid for a x
number of days. Activation and confirmation. When login with only user
account, it's prompted to summon a character (student or teacher)
Templates for django-registration added and adapted to current look&feel
Two modules installed django-registration , django-crispy-forms