- Add some mappings for Daikanwa.

- Add some mappings for Daikanwa.
(M-24626): Unify S-5507; add `<-ancient' for J0-6339.
(J78-3737): Unify JX3-3737.
(J90-3737): Separate JX3-3737; add `<-simplified@JP/extra' for
J78-3737.
(U-0002560D): Use `->subsumptive' to separate representative nodes.
(U-0002560F): Use `->denotational'.
(J78-3540): Unify JX3-3540.
(J90-3540): Separate JX3-3540; add `<-simplified@JP/extra' for
J78-3540.
(U+795F): Unify abstract J0-632E.
(G0-4B6E): Separate J0-632E; use `->subsumptive' to separate J0-632E
and JX3-632E.
(U-00021C07): Use `->subsumptive' to integrate M-24785; use
`ideographic-{radical|strokes}@cns' instead of
`ideographic-{radical|strokes}'; add
`ideographic-{radical|strokes}@cns*sources' and
`ideographic-{radical|strokes}@ucs'.
(J0-4135): Unify S-5566.
(J78-4729): Unify JX3-4729.
(J90-4729): Separate JX3-4729; add `<-simplified@JP/extra' for
J78-4729.
(J97-4578): Use `=>jis-x0208@1997' instead of `=jis-x0208@1997'.
(J90-4578): Use `<-simplified@JP/extra' instead of `<-simplified@JP'.