title: TypeError: Invalid Version: Not installed
body: <p>after upgrading all of my packages, once I run <code>gulp</code>, this is what I am getting</p>
  
  <pre><code>TypeError: Invalid Version: Not installed
  Invalid Version: Not installed (CLI v1.6.1)
  'run-ionic' errored after 12 s
  [10:12:30] Error in plugin 'gulp-shell'
  Message:
      Command `ionic serve` failed with exit code 1
  </code></pre>
  
  <p>and:</p>
  
  <pre><code>Invalid Version: Not installed (CLI v1.6.1)
  
  Your system information:
  
  Cordova CLI: Not installed
  Gulp version:  CLI version 3.9.0
  Gulp local:   Local version 3.9.0
  Ionic Version: 1.0.0-nightly-1299
  Ionic CLI Version: 1.6.1
  Ionic App Lib Version: 0.3.3
  OS: Distributor ID: Ubuntu Description: Ubuntu 14.04.2 LTS 
  Node Version: v0.12.4
  </code></pre>
  
  <p>what should I do ?</p>