Add Hanyo-Denshi/JB code points.

Add Hanyo-Denshi/JB code points.
(mother of JSP-3C4A): Unify G-UU+5EAC.
(mother of C2-2E7A): Unify G-CU+5EAC.
(C2-2E7A): Unify CU+5EAC.
(U-0002225F): Use `->subsumptive' to separate representative nodes.
(U+5EBF): Use `->denotational' and `->subsumptive'.
(U-00022260): Use `->subsumptive' to separate representative nodes.
(U-00022261): Use `->subsumptive'.
(U+388D): Use `->denotational' and `->subsumptive' to separate
representative nodes.
(U+5ECB): Use `->denotational' instead of `->subsumptive'.
(JX1-742F): Separate JSP-3C52 and J1990U+5ECB; unify HD-JC8415.
(C2-4266): Separate GIR-7B2B and UU+5ECB.
(U+5ED9): Use `->denotational' and `->subsumptive'.
(JX2-2C2A): Unify HD-JD1210.