libdvdread: update to 4.2.1
libpwquality: factor out from gnome-control-center
gnome-disk-utility: new package

A udisks graphical front-end

http://en.wikipedia.org/wiki/GNOME_Disks
Merge pull request #2125 from lethalman/gnome-disk-utility

Gnome disk utility, libpwquality, libdvdread