Remove unused var warning when compiling without online services.


git-svn-id: http://cantata.googlecode.com/svn/trunk@5101 b1e49159-3266-923f-9c3e-04f16369770a
Semi colon not needed after Q_UNUSED


git-svn-id: http://cantata.googlecode.com/svn/trunk@5102 b1e49159-3266-923f-9c3e-04f16369770a
Fix example


git-svn-id: http://cantata.googlecode.com/svn/trunk@5103 b1e49159-3266-923f-9c3e-04f16369770a
Add ratings support to dynamic playlists


git-svn-id: http://cantata.googlecode.com/svn/trunk@5104 b1e49159-3266-923f-9c3e-04f16369770a
Clear rating if song is empty


git-svn-id: http://cantata.googlecode.com/svn/trunk@5105 b1e49159-3266-923f-9c3e-04f16369770a
Mention ratings in 'About Rules'


git-svn-id: http://cantata.googlecode.com/svn/trunk@5106 b1e49159-3266-923f-9c3e-04f16369770a
Add ratings to tag editor


git-svn-id: http://cantata.googlecode.com/svn/trunk@5107 b1e49159-3266-923f-9c3e-04f16369770a