Complete representative nodes of `=adobe-japan1-0' and

Complete representative nodes of `=adobe-japan1-0' and
`=adobe-japan1-5' glyphs.
(U+5344): Separate UU+5344.
(UU+5344): Unify S-0812; add `<-vulgar' for U+5EFF.
(MJ057090): New character; use `<-denotational' for U+5344; unify
HD-KS031360; use `<-formed' for UU+5344.
(UU+5349): Add `sound@ja/on'.
(U-00020984): Apply new conventions for glyph granularity.
(M-02751): Unify MJ057096 and KOSEKI-031910; use `<-formed' for
UU+5351.
(U+5359): Apply new conventions for glyph granularity.
(U+535A): Likewise.