Original commit message from CVS:
Remove #include <gnome.h> from some tests which don't actually need it,
and make the other tests and the autoplug example only compile if gnome
headers are present.
Original commit message from CVS:
Move plugin example code to new location, and put it into build system.
Add work on firstplugin chapter of pwg.
Fix typo in quotes.
Add @'s before commands in manuals.mak
Original commit message from CVS:
Added launch back into make system.
The Makefile wasn't being generated, resulting in make dist failing when
the directory was entered for make dist.
