add file store adapter
add file store adapter

maxzhang/thinkjs,Qihoo360/thinkjs,akira-cn/thinkjs,maxzhang/thinkjs,75team/thinkjs,maxzhang/thinkjs,thinkjs/thinkjs,75team/thinkjs,snadn/thinkjs,akira-cn/thinkjs,75team/thinkjs,akira-cn/thinkjs