hppa end-of-life

[LaMont Jones]

This is to announce the end-of-life for ubuntu/hppa.  The final release
of ubuntu on hppa is jaunty.  Builds will continue on a best-effort
basis for dapper/hppa, hardy/hppa, intrepid/hppa, and jaunty/hppa until
those releases go end-of-life.

There are outstanding stability issues that date back to feisty (or even
earlier) that have never been adequately resolved, and very few users.

I started the port because it was a fun challenge, and it's time to move
on to more productive uses of time and energy.

lamont