Official parts with errors/typos

[Mario Pascucci]

Hi all.

Working on coding some Java libraries to handle LDraw libraries I hit some parts with errors. Following a brief list with errors/typos I found:

* 3842a.dat uses BFC CERTIFY INVERTNEXT
* 3842b.dat uses BFC CERTIFY INVERTNEXT
* s\3068s101.dat uses color 391 (unknown)
* 973psk.dat uses color 391 (unknown)
* 4150p02.dat uses color 354 (unknown)
* 973p7b.dat uses color 354 (unknown)
* s\2528s01.dat at line 385 there is a triangle with 4 vertices
* s\6582a.dat all quads are "bow-tied"
* s\6582b.dat all quads are "bow-tied"
* s\6580a.dat all quads are "bow-tied"
* s\6581a.dat all quads are "bow-tied"
* s\6594a-c.dat all quads are "bow-tied"
* s\6595a-d.dat all quads are "bow-tied"
* 2907.dat some quads are "bow-tied"
* s\6579a.dat all quads are "bow-tied"

HTH
Mario