enable it in en_US.ISO8859-1/ and ja_JP.eucJP/.
- Add PUBLIC "-//FreeBSD//ENTITIES DocBook Language Specific Entities//EN"
and l10n.ent for entity localization.
- Use share/misc/docbook.css for indentiation of <programlisting>
and <screen>.
- Add some missing $FreeBSD$.
in the case of */FAQ/Makefile, because the FAQs are all in the wrong
place. Things still install properly, but some of the directory paths
are hardcoded. This will be going away ASAP.