I can\'t get tslint to work properly in Visual Studio 2015. I should precise that:
I had this exact problem. Took hours to find this but you can make tslint.json work in project root if you change line endings from UNIX to Windows/Dos (from \n to \r\n).
Update: First I thought it was line endings that was causing this problem. But it's actually tslint.json files encoding. If encoding is shown as UTF-8-BOM in Notepad++ the file refuses to work. If you change tile encoding to UTF-8 it starts to work.