Update components-registration.md

changed example link of global registration to v2 branch, as link doesnt work when pointed at master branch

src/v2/guide/components-registration.md

@@ -229,4 +229,4 @@ requireComponent.keys().forEach(fileName => {
 })
 ```
 
-Remember that **global registration must take place before the root Vue instance is created (with `new Vue`)**. [Here's an example](https://github.com/chrisvfritz/vue-enterprise-boilerplate/blob/master/src/components/_globals.js) of this pattern in a real project context.
+Remember that **global registration must take place before the root Vue instance is created (with `new Vue`)**. [Here's an example](https://github.com/bencodezen/vue-enterprise-boilerplate/blob/vue-2-version/src/components/_globals.js) of this pattern in a real project context.