[Xmonad] darcs patch: move Spiral to LayoutHelpers. (and 4 more)

[Donald Bruce Stewart]

droundy:
> A resend for dons.  Conflicts with two recently accepted patches, but I
> don't see that as my fault.  If you accept patches that implement wrong
> fixes for code written my myself that I've properly fixed, then you can
> deal with the conflicts.

I see why you're grumpy ;) This is an annoying merge.
Spencer's looking into it.

-- Don