changes:
-Support UCAC catalog version 3
-Sky view shows PA in live report
-Favorites may now be edited in-place
-Earth view displays great circle distance and bearing
-Change Earth view cylindrical projection from cos to linear
-Earth Object table reports range rate for solar system objects
-Eyepiece rotation depends on Alt/Az or RA/Dec placement context
pkgsrc change: don't hardwire dependency on libXp but rely on
the framework (the Motif implemtation's bl3 file and the
MOTIFLIB environment variable) to pull it in if necessary
725d218e5a