MH-8100 renamed clear split list to clear segment list

git-svn-id: http://opencast.jira.com/svn/MH/branches/MH-8100@13597 e6edf6fb-f266-4316-afb4-e53d95876a76
MH-8100 at trim tool start the first segment list element is being selected per default

git-svn-id: http://opencast.jira.com/svn/MH/branches/MH-8100@13598 e6edf6fb-f266-4316-afb4-e53d95876a76
MH-8100 after clicking OK or pressing return in the inspector the newly created/edited segmtn is being selected

git-svn-id: http://opencast.jira.com/svn/MH/branches/MH-8100@13599 e6edf6fb-f266-4316-afb4-e53d95876a76