Add glyph-images of HNG-KAR.

Add glyph-images of HNG-KAR.
(A-UU+5EB8): New abstract node; use `<-denotational' for U+5EB8.
(UU+5EB8): Use A-UU+5EB8 instead of U+5EB8 as the mother; add
`=>ucs@iwds-1'.
(HNG-KAR0815-0): New character; use `<-denotational' for A-UU+5EB8.
(U+5EBE): Separate A-UU+5EBE.
(HNG-KAR0109-0): New character; use `<-denotational' for U+5EBE.
(U-000222C1): Use `->denotational' and `->subsumptive'.
(IU+222C1): Add `=>ucs@iwds-1'; unify MJ035419 and KOSEKI-107420.
(HNG-KAR0112-0): New character; use `<-denotational' for U-000222C1.