MH-8940 -- Added cleanup job to delete temp file uploads older than 6 hours

git-svn-id: https://opencast.jira.com/svn/MH/trunk@13917 e6edf6fb-f266-4316-afb4-e53d95876a76
MH-9387 -- Added more cleanup code for files in collections and mediapackages

git-svn-id: https://opencast.jira.com/svn/MH/trunk@13922 e6edf6fb-f266-4316-afb4-e53d95876a76
MH-9445 -- Committing schedule UI patch from Sergio

git-svn-id: https://opencast.jira.com/svn/MH/trunk@13924 e6edf6fb-f266-4316-afb4-e53d95876a76
MH-9387 -- Added workspace cleanup code to scheduler and fixed series updating after cleanup operation

git-svn-id: https://opencast.jira.com/svn/MH/trunk@13925 e6edf6fb-f266-4316-afb4-e53d95876a76