title: platform list does not work in latest phonegap
body: <p>% phonegap version
  3.5.0-0.20.10</p>
  
  <p>This was just installed with npm</p>
  
  <p>% npm --version
  1.4.21</p>
  
  <p>So the list command gives this</p>
  
  <pre><code>% phonegap platform list
     [error] 'platform list' is not a phonegap command. See 'phonegap help'
  </code></pre>
  
  <p>Then, </p>
  
  <pre><code>% phonegap platform help
  
  Usage: phonegap platform [command]
  
  Description:
  
    Update a platform to the latest version.
  
  Commands:
  
    update &lt;platform&gt;    update platform to the latest version
  
  Examples:
  
    $ phonegap platform update android
  </code></pre>
  
  <p>Ok, so maybe the "list" command got deprecated. Checking:</p>
  
  <pre><code>% phonegap platform update ios
  [phonegap] npm
  [phonegap] phonegap
  [phonegap] module
  [phonegap] updating iOS platform using PhoneGap CLI version 3.5.0-0.20.10
  { [CordovaError: Platform "ios" is not installed. See `cordova platform list`.]
    name: 'CordovaError',
    message: 'Platform "ios" is not installed. See `cordova platform list`.' }
     [error] Platform "ios" is not installed. See `cordova platform list`.
  </code></pre>