www/w3.
Note this is a "blind" commit; it is too much trouble to test an update
with this many added and deleted files. I'll test it later.
PR: 3793
Submitted by: <kiri@kiri.toba-cmt.ac.jp>
dot.{emacs,mosaic-hotlist-default}.
Install sample files into share/examples/w3 instead of to share/doc/w3.
Use PKG_PREFIX in the installation/deinstallation scripts.
Some Makefile cleanup.
Submitted by: (Kiriyama Kazuhiko) <kiri@kiri.toba-cmt.ac.jp>