removed old registration
pulled out credential reminder type to its own enum
using string format instead of string replace
authenticate method for AccountManager
storing oauth user info in session when no match found
registration mode page

options:

* provide vir credentials and link account -> done
* get username/password reminder -> done
* register new user
added header
registration page markup
removed admin option to create new user
marked required fields and focus on username
AccountManager#changePassword only checks password if user has one
registration manager cleanup
integrate registration service in web
error reporting for duplicate users
for new users setting important contact information visible by default
set visibility of contact information to true
fixed naming of metod in RegistrationManager
fixed username hint on registration
removed unused entity
Merge pull request #133 from kir-dev/registration

registration