Added test classes from TG-crud TGExtra tests, will be deleted there soon.

Added missing JavaDoc in return tags.

version increased to 1.8.0-SNAPSHOT.

Using client creation with ubbos null-instantiation now.

Increased version to 1.7.1-SNAPSHOT.

Added client generating class TGAuthClientUtilities.

* cleanly separated Role, resource from user authentication backend
* corrected filter settings