- make the alignment function a static HUD member (for namespace

- make the alignment function a static HUD member (for namespace
  encapsulation, but a real namespace would probably be better)
- extend alignment to optionally adjust x/y, and to return absolute
  l/r/b/t coordinates (as opposed to plib's relative ones!)
- implement tape gaps as per Curt's order  :-)
- shuffling stuff around for fun