Rewrite $REVERSE_SOLIDUS to %2F
Rewrite $REVERSE_SOLIDUS to %2F

Since on Unix we used to have $REVERSE_SOLIDUS but no longer do.
Also get URL's with only one $COLON rewriting properly.

MasterDuke17/doc,tbrowder/doc,antquinonez/doc,dmaestro/doc,tbrowder/doc,MasterDuke17/doc,tbrowder/doc,stmuk/doc,gfldex/doc,gfldex/doc,perl6/doc,jonathanstowe/doc,stmuk/doc,dmaestro/doc,perl6/doc,jonathanstowe/doc,stmuk/doc,gfldex/doc,antquinonez/doc,gfldex/doc,tbrowder/doc,antquinonez/doc,MasterDuke17/doc,stmuk/doc,perl6/doc,jonathanstowe/doc,gfldex/doc,perl6/doc,jonathanstowe/doc,stmuk/doc,MasterDuke17/doc,jonathanstowe/doc,antquinonez/doc,dmaestro/doc,antquinonez/doc,dmaestro/doc,dmaestro/doc,perl6/doc