MH-9427 -- lowered the log level to debug in cases where no series is
found, since this may be intentional

git-svn-id: http://opencast.jira.com/svn/MH/trunk@13820 e6edf6fb-f266-4316-afb4-e53d95876a76
MH-9428 -- fixed the link to the documentation that is pointing to the jpa extensions

git-svn-id: http://opencast.jira.com/svn/MH/trunk@13821 e6edf6fb-f266-4316-afb4-e53d95876a76