Merging fix for MH-6244 into 1.4.x.

git-svn-id: http://opencast.jira.com/svn/MH/branches/1.4.x@13789 e6edf6fb-f266-4316-afb4-e53d95876a76
Committing fix for MH-9051 directly into 1.4.x.  This affects 1.4 release notes links from the welcome page, so it does not go into trunk.

git-svn-id: http://opencast.jira.com/svn/MH/branches/1.4.x@13790 e6edf6fb-f266-4316-afb4-e53d95876a76
Merging fix for MH-9399 into 1.4.x

git-svn-id: http://opencast.jira.com/svn/MH/branches/1.4.x@13792 e6edf6fb-f266-4316-afb4-e53d95876a76
Merging fix for MH-9394 into 1.4.x

git-svn-id: http://opencast.jira.com/svn/MH/branches/1.4.x@13797 e6edf6fb-f266-4316-afb4-e53d95876a76
Merging fix for MH-9395 into 1.4.x

git-svn-id: http://opencast.jira.com/svn/MH/branches/1.4.x@13809 e6edf6fb-f266-4316-afb4-e53d95876a76
Merging fix for MH-9414 into 1.4.x

git-svn-id: http://opencast.jira.com/svn/MH/branches/1.4.x@13812 e6edf6fb-f266-4316-afb4-e53d95876a76
Added HLS distribution declaration