Attached patch is an update to the gnome-icons* ports that makes the following
- Remove MASTER_SITES from here and put them in trhe individual port Makefiles
where they really should be.
- Tweak do-install slightly.
- Generate pkg-plist automaticly.
Following ports are affected by the above changes and are updated in the attached
patch. Port revision has been bumped if a port's file listing has changed. Their
pkg-plist files have also been removed.