refactored test user
Merge pull request #40 from sulu-cmf/bugfix/test-user

made test user persistable
corrected old test user definition
Merge branch 'bugfix/test-user' into develop
Merge branch 'develop' of git://github.com/sulu-cmf/sulu into develop
Merge branch 'develop' of git://github.com/sulu-cmf/sulu into bugfix/rest-api
added editable fields to rest controller