MH-9178 silence detection minimum segments bug fixed


git-svn-id: http://opencast.jira.com/svn/MH/branches/MH-8100@13804 e6edf6fb-f266-4316-afb4-e53d95876a76
MH-8100 code review rectification


git-svn-id: http://opencast.jira.com/svn/MH/branches/MH-8100@13805 e6edf6fb-f266-4316-afb4-e53d95876a76