* angularjs: add Jasmine as dev dependency to fix "npm test"

On a TodoMVC clone freshly configured with "npm install", the "npm test"
failed to run due to missing Karma Jasmine. This adds the necessary
dependencies, so that instructions from README.md actually work.

* angularjs: fix tests failing due to missing ngResource

* angularjs: update todoCtrl test to follow the change from 37654081