ufnr -- use fastest NPM registry
===
ufnr means to 'use fastest NPM registry'. It test the speed of every registries and switch to the fastest one, now it include npm, taobao, nj(nodejitsu), rednpm.
$ npm install -g ufnr
$ ufnr
set registry to https://registry.npm.taobao.org/
current registry is https://registry.npm.taobao.org/
When you use an other registry, you can not use the publish command.
MIT