Add hexified version of k16-1990.bdf

From http://web.mit.edu/ghudson/dev/nokrb/third/intlfonts/Japanese/k16-1990.bdf
which has the following comment:

COMMENT Donated by H. Kagotani <kagotani@cs.titech.ac.jp>; public domain
COMMENT font from Japan
COMMENT 92.11.16 modified by Takahashi N. <ntakahas@etl.go.jp>
COMMENT          size was changed to 16x16 with padding
COMMENT Modified by TAKADA Toshihiro <takada@seraph.ntt.jp>
COMMENT         changed to JIS X 0208-1990

Mapped to Unicode using the mapping from:
ftp://ftp.unicode.org/Public/MAPPINGS/OBSOLETE/EASTASIA/JIS/SHIFTJIS.TXT