(1) When I committed ports of pips{2200,3000,3300,670,750,900},       I must
commit modification for pips800 which is a master port for these.       I forgot
it.   (2) Simplify slave ports in japapese       (modifying Makefile and
deleting pkg-plist).    

Change PKGDIR from pkg/ to .  Also fix places where ${PKGDIR} is   spelled out
(many of which are ${PKGDIR}/MESSAGE -> ${PKGMESSAGE} type   fixes that
shouldn't have been necessary) and the string "/pkg/"   appear.    

Convert category japanese to new layout.