need to exec : npm install -g gulp

##分支的搭建顺序(Branches set up order): * less * notify * imagemin * uglify * clean * rev { add: gulp-rev,gulp-rev-collector,gulp-sync "deploy" and "default" tasks combined into combo.js //使用此缓存部署机制需要静态服务器设置静态资源缓存永不过期 //Using this cache way need to set static resource cache never expired by server }