Log Message:
Update to 00401

* Use fonts.mk framework

Changelog:
00401: (2019-04)
* Add U+32FF (SQUARE ERA NAME REIWA) character
* Update fontRevision in head table to 4.010
* Update ID0 (Copyright) in name table to 2003-2019
* Update ID3 (Unique Font Identifier) in name table to
  IPAexMincho Version 004.01 and IPAexGothic Version 004.01
* Update ID5 (Version) in name table Version to 004.01

00301: (2015-10)
* Implement SVS for 93 compatible Kanji characters
* Fix glyphs of U+26FF8 and U+663B
* Update nameID=2 to Regular
* Update fontRevision in head table to 3.010
* Update ID0 (Copyright) in name table to 2003-2015
* Update ID3 (Unique Font Identifier) in name table to
  IPAexMincho Version 003.01 and IPAexGothic Version 003.01
* Update ID5 (Version) in name table Version to 003.01