Add unstable repos

Disable {gnome, kde}-unstable by default.
Signed-off-by: matt mooney <mfm@muteddisk.com>

conf/abs.conf

@@ -28,5 +28,5 @@ MIRRORLIST="/etc/pacman.d/mirrorlist"
 # Note: If a repo is removed, it is still fetched!
 # Repos must be preceded with a ! to prevent fetching
 #
-REPOS=(core extra community multilib !testing !community-testing !multilib-testing !staging !community-staging)
-
+REPOS=(core extra community multilib !testing !community-testing !multilib-testing
+       !staging !community-staging !gnome-unstable !kde-unstable)