Fixed notification in connection with the new header

git-svn-id: http://cantata.googlecode.com/svn/trunk@4801 b1e49159-3266-923f-9c3e-04f16369770a
Disable playback settings for now

git-svn-id: http://cantata.googlecode.com/svn/trunk@4802 b1e49159-3266-923f-9c3e-04f16369770a
Remove outdated comments

git-svn-id: http://cantata.googlecode.com/svn/trunk@4803 b1e49159-3266-923f-9c3e-04f16369770a