Add glyph-images of HNG-KHI.

Add glyph-images of HNG-KHI.
(BUCS+8A2D): New abstract node.
(U+8A2D): Add `<-denotational' for BUCS+8A2D.
(U+8BBE): Likewise.
(HNG-KHI0569-0): New character; add `<-denotational' for BUCS+8A2D;
add `<-formed' for U+8A2D.
(BUCS+8A63): New abstract node.
(U+8A63): Add `<-denotational' for BUCS+8A63.
(U+8BE3): Likewise.
(HNG-KHI0174-0): New character; add `<-denotational' for BUCS+8A63;
add `<-formed' for U+8A63.
(U+8AAA): Separate UU+8AAA.
(MJ058743): New character; add `<-denotational' for U+8AAA; unify
HD-KS402930 and M-H0566; add `<-vulgar' for UU+8AAA; add
HNG-KHI0571-0.
(UU+8AAA): Add `=>ucs@iwds-1'.
(U+8B19): Separate A-UU+8B19.
(A-UU+8B19): Add `=>ucs@iwds-1'; unify B-C1BE.
(HNG-KHI0173-0): New character; add `<-denotational' for U+8B19.
(BUCS+8B2C): New abstract node.
(U+8B2C): Add `<-denotational' for BUCS+8B2C.
(U+8C2C): Likewise.
(HNG-KHI0169-0): New character; add `<-denotational' for BUCS+8B2C;
add `<-formed' for U+8B2C.
(BUCS+8B6C): New abstract node.
(U+8B6C): Add `<-denotational' for BUCS+8B6C.
(BUCS+8B70): New abstract node.
(U+8B70): Add `<-denotational' for BUCS+8B70.
(U+8BAE): Likewise.
(HNG-KHI0166-0): New character; add `<-denotational' for BUCS+8B70;
add `<-formed' for U+8B70.
(U+8B77): Apply new conventions for glyph granularity; separate
A-UU+8B77.
(A-UU+8B77): Add `=>ucs@iwds-1'; unify B-C540.
(HNG-KHI0172-0): New character; add `<-denotational' for U+8B77; add
`<-formed' for U+8B77.