clear up the README that the master branch is using Vue2 bei default now (vuejs-templates#285)

Author: Sebastian

README.md

@@ -15,7 +15,7 @@ This is a project template for [vue-cli](https://github.com/vuejs/vue-cli). **It
 
 ``` bash
 $ npm install -g vue-cli
-$ vue init webpack#1.0 my-project
+$ vue init webpack my-project
 $ cd my-project
 $ npm install
 $ npm run dev