* doc/gnome-hackers.dsl: new file - sets output filename
and directory for 'gnome-hackers.sgml'.
* doc/libgtop.dsl: most stuff from this file has moved
to 'dbtohtml.dsl', it now only overrides the output
filename and directory.
* doc/dbtohtml.dsl: new file - contains most that was
formerly in 'libgtop.dsl'.
