Reduce corner radius


git-svn-id: http://cantata.googlecode.com/svn/trunk@5393 b1e49159-3266-923f-9c3e-04f16369770a
Fix OSX highlight colour


git-svn-id: http://cantata.googlecode.com/svn/trunk@5394 b1e49159-3266-923f-9c3e-04f16369770a