angular/angular.js — pull request #4704 by renanivo (2013-10-29 22:05:22+00:00)
Title: docs(tutorial): add instructions to install karma plugins

I followed the tutorial and couldn't make karma run in the second step. So I figured out that I needed a `npm install` to get karma plugins. I couldn't find instructions about it in the tutorial. So I added it to the first page.