OO-291:  enhance the main search function for groups, add search in waiting list, add search of public group, add unit tests

OO-291:  add documentation, add more unit tests for RightManager, merge tests of BusinessGroupService...

OO-292: OpenOLAT doesn't pass all unit tests with a pure c3p0 pooled connections, it needs the hibernate version

OO-291: first step: move business gourp manager to a business group service, remove dependency to the context...

OO-256: move the access controlling from the velocity template fo catalog to the repository manager where it's fully implemented

OO-280: build the infrastructure for Selenium 2, Arquillian and a managed Tomcat 7.0, remove old selenium 1 tests, remove profile of Firefox...

OO-278 fix wrong default value for debug mode and check if source path really exists when setting to prevent followup errors.

OO-279 add missing quota permission check in repository entry details page, move check code to quota manager