Use `ruimoku=' instead of `bos=' in `sources'.

Use `ruimoku=' instead of `bos=' in `sources'.
(RUI6-E007): Use `<-error@ruimoku/2001' instead of
`<-error@abos/2001'.
(RUI6-E015): Add `ideographic-{radical|strokes}' and `total-strokes'.
(RUI6-E021): Likewise.
(RUI6-E028): Likewise.
(RUI6-E02A): Likewise.
(RUI6-E02D): Likewise.
(RUI6-E02E): Likewise.
(RUI6-E033): Add `ideographic-structure'; add `sources'.
(RUI6-E038): Add `ideographic-{radical|strokes}' and `total-strokes'.
(RUI6-E039): Add `<-denotational' for G-RUI6-E039; add
`ideographic-{radical|strokes}' and `total-strokes'; add `sources'.
(RUI6-E03B): Modify `ideographic-structure'.
(RUI6-E03C): Likewise.
(RUI6-E03D): Add `<-denotational' for G-RUI6-E03D; add
`ideographic-{radical|strokes}' and `total-strokes'; add
`ideographic-structure'; add `<-unknown' for U-00026C86.
(RUI6-E03E): Add `<-denotational' for G-RUI6-E03E; add
`ideographic-{radical|strokes}' and `total-strokes'.
(RUI6-E03F): Modify `ideographic-structure'.
(RUI6-E041): Likewise; unify GU+2A894.
(RUI6-E042): Add `ideographic-{radical|strokes}' and `total-strokes'.
(RUI6-E046): Modify `ideographic-structure'.
(RUI6-E057): Add `ideographic-{radical|strokes}' and `total-strokes';
add `ideographic-structure'; add `sources'.
(RUI6-E065): New character.
(RUI6-E068): Fix `ideographic-structure'.
(RUI6-{E073 - E0AA}): New characters.