title: how to upload .zip on diawi
body: <p>I am trying to upload .ipa but got the error:-</p>
  <blockquote>
  <p>The application package is not a valid package : no payload folder found in the package.
  A technical error occuredsome technical error occurred.</p>
  </blockquote>
  <p>I put the right development provisioning profile and respective certificate.</p>
  <p>Provide me the steps to create and upload .zip on <a href="http://www.diawi.com/" rel="nofollow noreferrer">diawi</a> ?</p>