implemented own user provider with all the required joins
fixed bug with joins
set configuration correctly for using the new userprovider
extracted permissions from mask converter to config
implemented first version of voter
implemented voter
code review & cleanup
Merge pull request #2 from massiveart/feature/authentication

Implemented simple authentication
implemented authorization
added template and translation
code review & cleanup
Merge branch 'develop' of https://github.com/massiveart/SuluSecurityBundle into feature/authorization
Merge branch 'feature/authorization' into develop
Merge branch 'feature/roles-translate' into develop
merged with develop