Add several new ACL checks and usability improvements



git-svn-id: https://svn.qindel.com/repos/main/projects/qindel/QVD/src/trunk@25165 4046b530-fbad-4e16-af16-ee11f0b55167
Add CRUD tests for Hosts and Virtual machines



git-svn-id: https://svn.qindel.com/repos/main/projects/qindel/QVD/src/trunk@25168 4046b530-fbad-4e16-af16-ee11f0b55167