change default template engine to ejs
change default template engine to ejs

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