Android代码Chateau

Update:Preview3isoutnow,containingsignificant(breaking)changestoalmostallpresentersanddatasourcedefinitions.Moredetailedinformationaboutthechangewillbepostedsoon.ChateauChateauisaframeworkforadding(orimproving)chatfunctionalityinanyAndroidapp.BuiltinamodularwayusingMVPandCleanArchit