Update README
Update README

- Add link to 1.2 release

donholly/FastImageCache,irealme/FastImageCache,goodheart/FastImageCache,appone/FastImageCache,lucatorella/FastImageCache,erysaj/FastImageCache,globchastyy/FastImageCache,indraj/FastImageCache,DeskConnect/FastImageCache,georgekola/FastImageCache,hyperspacemark/FastImageCache,UIKit0/FastImageCache,lydonchandra/FastImageCache,lucatorella/FastImageCache,wonderkiln/FastImageCache,libiao88/FastImageCache,wangmb/FastImageCache,wonderkiln/FastImageCache,King-of-Monkey/FastImageCache,jaredsinclair/FastImageCache,DZNS/FastImageCache,zilaiyedaren/FastImageCache,rock88/FastImageCache,path/FastImageCache,gank0326/FastImageCache,nKey/FastImageCache,hunhu/FastImageCache,znatz/FastImageCache,zjh171/FastImageCache,gaurav1981/FastImageCache,xb123456456/FastImageCache,ramoslin02/FastImageCache,donholly/FastImageCache,appone/FastImageCache,dcaunt/FastImageCache,yimouleng/FastImageCache