title: Update app in windowsphone store
body: <p>I publish app in WPStore.
  I want update app now.</p>
  
  <ol>
  <li>Add update</li>
  <li>Upload new xap</li>
  </ol>
  
  <p>1 problem - new xap version 1.0.0.0 (old) but new version xap is 1.1.0.0</p>
  
  <p>2 problem - all tags, description, keyword on all languages is empy. How copy from previous version?</p>