add muted buttons

Add "quieter" button styles, for when the normal `.bad` and `.good` are far too
loud: these only apply styles on hover, and should be much subtler.
Merge branch 'master' of git://github.com/danharibo/cinequeue
fix missing commands
edit style on flash messages

As flash messages no longer appear "attached" to the header, this commit
reduces the `border-radius` and makes it apply to all four corners,
instead of merely the bottom two.
fix URL handling
Fix filesystem queue URI
Merge branch 'master' of github.com:zuzak/cinequeue