Added section to README about the mailing list.
Added section to README about the mailing list.

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