Simplify y/n response checking.
Control powerd using trap, and add a DISABLE_POWERD_CONTROL env
Simplify handling of TARGETDEDUPFILE.
Don't use the xfce PPA on non-86 arch
Add noauto tool to simplify targets. Don't auto-install xorg for xfce4.
Add exec to the start* commands.
Add xephyr target for running a nested X server, primarily for ARM.
Make ratpoison padding negative to avoid Aura mouse capture issues.
Launch ratpoison inside the chroot when necessary and kill it when unneeded.