added check for bad users array in article data
added test for ArticleController#displayUsers computed property
Updated readme based on my first time setup experience
Merge pull request #99 from Wikia/readme_help

Updated readme based on my first time setup experience
Merge pull request #97 from Wikia/limit-number-contributors

Limit number contributors
Merge branch 'master' into article-urls

Conflicts:
	public/scripts/main/controllers/ArticleController.ts
	public/templates/main/article/index.hbs