add marble to binary imae (not included in default install because it needs a ton of KDE dependencies)
package lists: remove alacarte because it has too many GNOME dependencies
package lists: remove sound recorder (gnome-media) because it has too many gnome dependencies and we already have audacity
package lists: remove gnome-stsem-monitor from live/chroot image because it pulls too many gnome dependencies
package lists: remove gnome-packagekit components from the packagekit list as they pull too much gnome dependencies.
gnome-packagekit is now in it's own list, and is only put on the binary image
add radeon.dpm=1 kernel option to GRUB defaults (enables dynamic power management for the radeon driver).
This prevents ATI card fans to run full speed all the time.
Fixes #71