have it be automatically included by bsd.pkg.mk if USE_PKGINSTALL is set to "YES". This enforces the requirement that bsd.pkg.install.mk be included at the end of a package Makefile. Idea suggested by Julio M. Merino Vidal <jmmv at menta.net>.
- Utilize CHASEN_DICDIR. Bump PKG_REVISION.
This is part of the japanese category retirement. CATEGORIES and pathnames to japanese/ adjusted.