Committing fix for the upgrade scripts as part of MH-9828.  Drops a unique constraint.

git-svn-id: https://opencast.jira.com/svn/MH/trunk@15821 e6edf6fb-f266-4316-afb4-e53d95876a76
MH-9909 -- fixed service registry's handling of workflows that work on an already processing media package

git-svn-id: https://opencast.jira.com/svn/MH/trunk@15832 e6edf6fb-f266-4316-afb4-e53d95876a76
MH-9908 -- implemented various cleanup improvements

git-svn-id: https://opencast.jira.com/svn/MH/trunk@15834 e6edf6fb-f266-4316-afb4-e53d95876a76
Committing partial fix for MH-9910 into trunk.  DDLs should be updated.

git-svn-id: https://opencast.jira.com/svn/MH/trunk@15835 e6edf6fb-f266-4316-afb4-e53d95876a76
Committing fix for MH-9912 into trunk.  Moves the caption impl bundle onto the workers where it should be, and adds the caption remote to admin.

git-svn-id: https://opencast.jira.com/svn/MH/trunk@15837 e6edf6fb-f266-4316-afb4-e53d95876a76
MH-9913 -- improved logging in the remote base

git-svn-id: https://opencast.jira.com/svn/MH/trunk@15844 e6edf6fb-f266-4316-afb4-e53d95876a76
MH-9915 -- fixed the offline status display for capture agents that are "shutting_down"

git-svn-id: https://opencast.jira.com/svn/MH/trunk@15847 e6edf6fb-f266-4316-afb4-e53d95876a76
MH-9916 : Metadata lost in trim/hold UI

git-svn-id: https://opencast.jira.com/svn/MH/trunk@15855 e6edf6fb-f266-4316-afb4-e53d95876a76