[FIX] Bug when updating pwd using "profile" scenario

Fixed bug when applying migrations

[FIX] Skip empty or encrypted passwords

[FIX] Fix bug when updating password in profile page

[FIX] Removed "password" field

[FIX] Bug fix

[FIX] Moved signup to different model (breaks BC)

Fixes #43

Merge pull request #42 from zeitgeist13/master

Add german translations

Fixed #37