MH-8100 removed some unused code

git-svn-id: http://opencast.jira.com/svn/MH/branches/MH-8100@13685 e6edf6fb-f266-4316-afb4-e53d95876a76
MH-8100 refactored: added function categories

git-svn-id: http://opencast.jira.com/svn/MH/branches/MH-8100@13686 e6edf6fb-f266-4316-afb4-e53d95876a76
MH-8100 current time field in editor box properly initialized

git-svn-id: http://opencast.jira.com/svn/MH/branches/MH-8100@13687 e6edf6fb-f266-4316-afb4-e53d95876a76