(U+9FB4): Add A-compU+9FB4 as a target of `<-denotational@component'.

(U+9FB4): Add A-compU+9FB4 as a target of `<-denotational@component'.
(A-compU+9FB4): New abstract node; use `<-denotational@component' for
U-0003018A.
(U+4E5E): Add `sound@ja/on/{kan|go}', `sound@ja/on/conventional' and
`sound@ja/kun'.
(UU+4E5E): Move `sound@ja/kun' for U+4E5E; omit `sound@ja/on' and
`sound@ja/on/{kan|go}'; add `<-formed', `<-same' and
`->interchangeable' for UU+6C14.
(U+4E79): Apply new conventions for glyph granularity.
(U+4E7E): Modify `sound@ja/on/kan'; add `sound@ja/on/go'; omit
`sound@ja/on'.
(UU+4E7E): Add some relations for other characters.
(U-00020104): Apply new conventions for glyph granularity.
(U-0002010A): Likewise.
(U-0002010B): Likewise.
(A2-DJT-00108): Unify BUCS+4E5E.