MH-8100 current split item is selected when player is playing

git-svn-id: http://opencast.jira.com/svn/MH/branches/MH-8100@13650 e6edf6fb-f266-4316-afb4-e53d95876a76
MH-8100 current split item is not jumping back to item no 1 but stays in the segment the current playhead is in

git-svn-id: http://opencast.jira.com/svn/MH/branches/MH-8100@13651 e6edf6fb-f266-4316-afb4-e53d95876a76