Add hacky wheel script for enabling the mouse wheel in Xephyr.
Make the scroll directions match a normal config.
Improve wheel performance significantly.

Use xev, xte, and xwininfo instead of xdotool for almost everything.
Avoid launching any processes per-event for massive speedups and the ability to
outlive a chroot.

Add scroll configuration parameters.
Silence wheel kill error.
Rename croutonwheel and auto-launch and kill it with ratpoison.
Avoid opening /dev/null and improve auto-kill for croutonwheel and croutonwm.
Fix accidental unmapping of the Xephyr window instead of the xinput window.
Install x11-utils, xautomation, and xdotool with Xephyr.
Improve reliability of hiding the xinput window.
Reverse the polarity of -x, and slow down the wheel by default.
Automatically grab parameters from ~/.croutowheel.
Ensure ratpoison has more than one window so that it doesn't kill itself.