MH-8100 fixed: Time display bug

git-svn-id: http://opencast.jira.com/svn/MH/branches/MH-8100@13695 e6edf6fb-f266-4316-afb4-e53d95876a76
MH-8100 Removed a console.log debug output

git-svn-id: http://opencast.jira.com/svn/MH/branches/MH-8100@13696 e6edf6fb-f266-4316-afb4-e53d95876a76
MH-8100 wave form display bug fix #2

git-svn-id: http://opencast.jira.com/svn/MH/branches/MH-8100@13697 e6edf6fb-f266-4316-afb4-e53d95876a76