Update README.
Update README.

channelgrabber/predis,CloudSide/predis,mrkeng/predis,dominics/predis,nguyenthaihan/predis,lvbaosong/predis,WalterShe/predis,SecureCloud-biz/predis,nrk/predis,gopalindians/predis,stokes3452/predis,protomouse/predis,dzung2t/predis,SwelenFrance/predis,RudyJessop/predis,gencer/predis,vend/predis,quangnguyen90/predis,johnhelmuth/predis,moria/predis,oswaldderiemaecker/predis,RedisLabs/predis,zhangyancoder/predis