title: Error Platform android already added. on TACO with Ionic 2 on Visual Studio 2015
body: <p>I downloaded TACO, Created a new Ionic 2 RC project,
  did not change anything,
  clicked Play (F5).</p>
  
  <p>Then this error appears:</p>
  
  <pre><code>Error       Platform android already added. 
  </code></pre>
  
  <p>What can be done to solve this?</p>
  
  <p>Output from Build:</p>
  
  <pre><code>1&gt;------ Build started: Project: ionic2-ts-blank1, Configuration: Debug Android ------
  1&gt;  ------ Ensuring correct global installation of package from source package directory: C:\Program Files (x86)\Microsoft Visual Studio 14.0\Common7\IDE\Extensions\ApacheCordovaTools\packages\vs-tac
  1&gt;  ------ Name from source package.json: vs-tac
  1&gt;  ------ Version from source package.json: 1.0.42
  1&gt;  ------ Package already installed globally at correct version.
  1&gt;  ------ Cordova tools 6.3.1 already installed.
  1&gt;  ------ Build Settings:
  1&gt;  ------ Build Settings:
  1&gt;  ------    platformConfigurationBldDir: c:\temp\ionic2-ts-blank1\ionic2-ts-blank1\bld\Android\Debug
  1&gt;  ------    platformConfigurationBinDir: c:\temp\ionic2-ts-blank1\ionic2-ts-blank1\bin\Android\Debug
  1&gt;  ------    buildCommand: prepare
  1&gt;  ------    platform: Android
  1&gt;  ------    cordovaPlatform: android
  1&gt;  ------    configuration: Debug
  1&gt;  ------    cordovaConfiguration: Debug
  1&gt;  ------    projectName: ionic2-ts-blank1
  1&gt;  ------    projectSourceDir: c:\temp\ionic2-ts-blank1\ionic2-ts-blank1
  1&gt;  ------    npmInstallDir: C:\Users\Tony\AppData\Roaming\npm
  1&gt;  ------    language: en-US
  1&gt;  ------ Adding platform: android
  1&gt;  No scripts found for hook "before_platform_add".
  1&gt;  No version supplied. Retrieving version from config.xml...
  1&gt;MSBUILD : cordova-build error : Platform android already added.
  1&gt;  Platform android already added.
  ========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========
  ========== Deploy: 0 succeeded, 0 failed, 0 skipped ==========
  </code></pre>