- Add Hanyo-Denshi/JA code points.

- Add Hanyo-Denshi/JA code points.
- Add `=decomposition@hanyo-denshi' for some abstract glyph-forms of
  Hanyo-Denshi/{JA| JB}.
- Add some representative nodes.
(U+962C): Apply new conventions for glyph granularity.
(U+9631): Unify S-5686; add `<-original' for U+7A7D.
(U+9632): Apply new conventions for glyph granularity.
(U+9654): Likewise.
(U+9656): Likewise.
(U+9657): Likewise.
(U+9666): Likewise.
(U+966D): Likewise.
(U+9683): Likewise.
(U+96A6): Likewise.
(U+96A9): Likewise.
(U+96AE): Likewise.