[Xmonad] darcs patch: Add SinkAll module.

[Donald Bruce Stewart]

joachim.fasting:
> Sat Jun 23 07:05:10 CEST 2007  joachim.fasting at gmail.com
>   * Add SinkAll module.
>   Provides a means of pushing all windows on the current workspace back into
>   tiling. Not all that useful, but might be preferable to restarting or manually
>   pushing windows.

Applied.

-- Don