flip mzc flag from --prim to --no-prim (update docs)
flip mzc flag from --prim to --no-prim (update docs)

svn: r10124

mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket