Add some Adobe-Japan1-5 code points.

Add some Adobe-Japan1-5 code points.
(<CJK RADICAL EYE>): Unify BC-8B48, GT-36329 and GT-K01549; don't use
`<-denotational' for BC-8B48.
(U+76F7): Apply new conventions for glyph granularity.
(U+7744): Likewise.
(M-23410): Unify U-000251B2.
(U+7758-itaiji-007): New character.
(U-000251CE): Apply new conventions for glyph granularity.
(BC-8AEB): New character.
(U+776E): Apply new conventions for glyph granularity.
(U+778F): Likewise.
(U+7799): Likewise.
(U-00025299): New character.
(U+77D4): Apply new conventions for glyph granularity.