Quickstep (finally) building for volatile.debian.net

This was long overdue, but quickstep is now finally and functionally building for volatile.debian.net. The first package, clamav was built and uploaded today.

In other news, I've noticed that gcc-snapshot has finally been built successfully on m68k. Good; it's far easier to track upstream bugs in that compiler (which I've started to do for a while, although I should increase the amount of my efforts there) if gcc-snapshot works and is actually more recent than the default version of GCC...