implemented routes and controller required for login
implemented login with form and the user entity
relocated login from security to admin bundle
used symfony encoder to store passwords in database
added contact to rest service for user
implemented salt generator
added some newlines
Merge branch 'develop' of git://github.com/massiveart/SuluSecurityBundle into feature/authentication

Conflicts:
	Controller/UsersController.php
	Entity/User.php
	Resources/config/doctrine/User.orm.xml
	Resources/config/routing.yml
corrected config for tests
configured tests correctly
code review & cleanup
Merge pull request #2 from massiveart/feature/authentication

Implemented simple authentication