title: Nativescript Tutorial: error with livesync
body: <p>I'm running on macosx with nativscript 2.0 (typescript+angular2 tutorial).
  I just ran the <code>tns run ios --emulator</code> command and then ctrl-c.</p>
  
  <p>Then running this command: tns livesync ios --emulator --watch</p>
  
  <p>results in:</p>
  
  <pre><code>.
  .
  .
  Transferring project files...
  Successfully transferred all project files.
  Applying changes...
  **Error Command failed: killall sampleGroceries2.app
  No matching processes belonging to you were found
   while executing killall sampleGroceries2.app.**
  </code></pre>