- support for 'updating' archs in a given tree; meaning I can build a package

- support for 'updating' archs in a given tree; meaning I can build a package
  for eg. athlon and ppc, move it to main tree, then build it for athlon, ppc
  and amd64 and moving the newer package to main tree will result in only
  amd64 being really moved, and rest of the archs getting discarded (removed)
  (of course we're talking about same NVR for both the newer and older
  package sets)
- to make a long story short - I can start building th for those archs I have
  builders for and update ftp with new arch once amd64 builder becomes
  available (and I plan to do so as soon as I finish these scripts)

Changed files:
    bin/functions -> 1.3
    bin/move.sh -> 1.8