random() and add -lucb on systems that need it. Fix for xdelta.h check. Find
xemacs as well as emacs. Properly define settings for print plugin.
app/Makefile.am: ditch -DNDEBUG, since nothing uses it
flame: properly handle random() and friends
pnm: workaround for systems with old sprintfs
print, sgi: fold back in portability fixes
threshold_alpha: properly get params in non-interactive mode
bmp: updated and merged in
-Yosh