MH-9363 -- Changed organization persistence to be loaded dynamically

git-svn-id: https://opencast.jira.com/svn/MH/trunk@13674 e6edf6fb-f266-4316-afb4-e53d95876a76
MH-9373 -- fixed isLatestVersion and several improvements

git-svn-id: https://opencast.jira.com/svn/MH/trunk@13679 e6edf6fb-f266-4316-afb4-e53d95876a76