Add glyph-images of HNG-KAR.

(G-CU+98DF): New detailed glyph node to subsume g2-CU+98DF,
HNG-KAR1405-0 and HNG-KHI0622-0; unify G-KU+98DF, G-C1-537A, GT-59026,
GT-K05344, G-M-44014, S-9234 and JC3-6DAB.
(g2-CU+98DF): Use G-CU+98DF instead of U+98DF as the mother; separate
GT-59026, GT-K05344, S-9234 and JC3-6DAB.
(<CJK RADICAL EAT THREE>): Unify GT-K04996.
(U+98E0): Apply new conventions for glyph granularity.