make proj name start with "-" illegal and print usage.
make proj name start with "-" illegal and print usage.

molokov/mezzanine,Cicero-Zhao/mezzanine,wbtuomela/mezzanine,Kniyl/mezzanine,emile2016/mezzanine,tuxinhang1989/mezzanine,damnfine/mezzanine,Kniyl/mezzanine,gradel/mezzanine,PegasusWang/mezzanine,dustinrb/mezzanine,nikolas/mezzanine,orlenko/plei,stbarnabas/mezzanine,guibernardino/mezzanine,stephenmcd/mezzanine,christianwgd/mezzanine,eino-makitalo/mezzanine,gbosh/mezzanine,dsanders11/mezzanine,joshcartme/mezzanine,sjuxax/mezzanine,batpad/mezzanine,webounty/mezzanine,readevalprint/mezzanine,ZeroXn/mezzanine,wyzex/mezzanine,jjz/mezzanine,dustinrb/mezzanine,emile2016/mezzanine,molokov/mezzanine,frankchin/mezzanine,stbarnabas/mezzanine,agepoly/mezzanine,sjuxax/mezzanine,Kniyl/mezzanine,dustinrb/mezzanine,Cajoline/mezzanine,theclanks/mezzanine,damnfine/mezzanine,readevalprint/mezzanine,dekomote/mezzanine-modeltranslation-backport,geodesign/mezzanine,webounty/mezzanine,gradel/mezzanine,jerivas/mezzanine,Cajoline/mezzanine,tuxinhang1989/mezzanine,spookylukey/mezzanine,joshcartme/mezzanine,dovydas/mezzanine,sjdines/mezzanine,douglaskastle/mezzanine,wbtuomela/mezzanine,douglaskastle/mezzanine,stephenmcd/mezzanine,christianwgd/mezzanine,industrydive/mezzanine,ZeroXn/mezzanine,douglaskastle/mezzanine,SoLoHiC/mezzanine,adrian-the-git/mezzanine,jjz/mezzanine,vladir/mezzanine,orlenko/plei,readevalprint/mezzanine,saintbird/mezzanine,dovydas/mezzanine,scarcry/snm-mezzanine,PegasusWang/mezzanine,christianwgd/mezzanine,wrwrwr/mezzanine,gbosh/mezzanine,sjdines/mezzanine,molokov/mezzanine,frankier/mezzanine,saintbird/mezzanine,eino-makitalo/mezzanine,AlexHill/mezzanine,PegasusWang/mezzanine,mush42/mezzanine,geodesign/mezzanine,tuxinhang1989/mezzanine,wrwrwr/mezzanine,ryneeverett/mezzanine,fusionbox/mezzanine,wbtuomela/mezzanine,SoLoHiC/mezzanine,viaregio/mezzanine,ryneeverett/mezzanine,Skytorn86/mezzanine,viaregio/mezzanine,wyzex/mezzanine,jerivas/mezzanine,nikolas/mezzanine,SoLoHiC/mezzanine,vladir/mezzanine,biomassives/mezzanine,vladir/mezzanine,orlenko/sfpirg,orlenko/sfpirg,gradel/mezzanine,frankier/mezzanine,AlexHill/mezzanine,emile2016/mezzanine,frankchin/mezzanine,frankchin/mezzanine,Skytorn86/mezzanine,theclanks/mezzanine,dekomote/mezzanine-modeltranslation-backport,damnfine/mezzanine,Cicero-Zhao/mezzanine,jerivas/mezzanine,sjdines/mezzanine,geodesign/mezzanine,dekomote/mezzanine-modeltranslation-backport,dsanders11/mezzanine,scarcry/snm-mezzanine,dsanders11/mezzanine,fusionbox/mezzanine,orlenko/plei,scarcry/snm-mezzanine,guibernardino/mezzanine,theclanks/mezzanine,jjz/mezzanine,nikolas/mezzanine,gbosh/mezzanine,viaregio/mezzanine,industrydive/mezzanine,industrydive/mezzanine,agepoly/mezzanine,promil23/mezzanine,dovydas/mezzanine,adrian-the-git/mezzanine,Cajoline/mezzanine,saintbird/mezzanine,ZeroXn/mezzanine,biomassives/mezzanine,adrian-the-git/mezzanine,sjuxax/mezzanine,batpad/mezzanine,cccs-web/mezzanine,promil23/mezzanine,ryneeverett/mezzanine,agepoly/mezzanine,cccs-web/mezzanine,webounty/mezzanine,mush42/mezzanine,biomassives/mezzanine,Skytorn86/mezzanine,spookylukey/mezzanine,stephenmcd/mezzanine,frankier/mezzanine,joshcartme/mezzanine,promil23/mezzanine,eino-makitalo/mezzanine,orlenko/sfpirg,mush42/mezzanine,spookylukey/mezzanine,wyzex/mezzanine