MH-8100 added window resized event

git-svn-id: http://opencast.jira.com/svn/MH/branches/MH-8100@13691 e6edf6fb-f266-4316-afb4-e53d95876a76
MH-8100 after pressing return in the inspector you can use the arrow keys to move the playhead

git-svn-id: http://opencast.jira.com/svn/MH/branches/MH-8100@13692 e6edf6fb-f266-4316-afb4-e53d95876a76