Add some representative nodes.

Add some representative nodes.
(U+5207): Apply new conventions for glyph granularity.
(U+5218): Likewise.
(U+5224): Likewise.
(U-000206E0): Likewise.
(U+5231): Likewise.
(U+5233): Likewise.
(U+5239): Likewise.
(U+524E): Likewise.
(g2-UU+524F): Omit `ideographic-structure'.
(U+5259): Apply new conventions for glyph granularity.
(U+525C): Likewise.
(U+5270): Likewise.
(IU+2F822): Likewise.
(o-JU+5272): Likewise.
(UU+5277): Move U-0002F823 to g2-UU+5277.
(g2-UU+5279): Omit `ideographic-structure'.
(U+5282): Apply new conventions for glyph granularity.
(U+5288): Use `->subsumptive' instead of `->denotational'.
(U+5289): Apply new conventions for glyph granularity.
(U+528C): Likewise.
(U+5296): Likewise.
(U+529A): Likewise.