Upgrade manage.py to the new cli handler, and throw out some old dev code. Closes #330.
Upgrade manage.py to the new cli handler, and throw out some old dev code. Closes #330.

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