title: How to upload to organizations with gpg key?
body: <p>I have GPG key and an Organization name. 
  I am using Android Studio. </p>
  
  <p>How can I upload the GPG key and gradle Bintray plugin?</p>
  
  <pre><code>bintray {
      user = properties.getProperty("bintray.user")
      key = properties.getProperty("bintray.apikey")
  }
  </code></pre>