message: Add a link to the website on the About tab
diff: @@ -109,7 +109,7 @@ export class AboutTab extends ViewerElement {
  <h1>Extraterm</h1>
  <p>Copyright &copy; 2015-2017 Simon Edwards &lt;simon@simonzone.com&gt;</p>
  <p>Published under the MIT license</p>
  - <p>See <a href="https://github.com/sedwards2009/extraterm">https://github.com/sedwards2009/extraterm</a></p>
  + <p>See <a href="http://extraterm.org">extraterm.org</a> and <a href="https://github.com/sedwards2009/extraterm">https://github.com/sedwards2009/extraterm</a></p>
  <hr>
  <p>Extraterm logos were designed and provided by <a href="https://github.com/g-harel">Gabriel Harel (https://github.com/g-harel)</a>.</p>
  <p>This software uses EmojiOne for color emoji under the Creative Commons Attribution 4.0 International (CC BY 4.0) license. <a href="http://emojione.com">http://emojione.com</a></p>
  