title: Enable Typescript compiler on empty ASP.Net 5 preview template
body: <p>When I create a new project based on the ASP.Net 5 Preview Web Site template, I can edit my TypeScript files and they are compiled automatically, and the compiled JS file is displayed in the Solution Explorer:</p>
  
  <p><img src="https://i.stack.imgur.com/r0sOn.png" alt="enter image description here"></p>
  
  <p>However, when I select the empty template, my TypeScript files aren't compiling:</p>
  
  <p><img src="https://i.stack.imgur.com/EXoYz.png" alt="enter image description here"></p>
  
  <p>How do I set up TypeScript compilation like in the regular project template?</p>