Microsoft/TypeScript — pull request #966 by DickvdBrink (2014-10-25 17:28:13+00:00)
Title: implemented treat warning as errors commandline option.

Same name as csc.exe uses: [msdn](http://msdn.microsoft.com/en-us/library/406xhdz3.aspx)
Issue #828

Feedback appreciated but feel free to close when you don't want this functionality at this point :)