ajaxorg/cloud9 — pull request #2206 by mostafaeweda (2012-09-20 08:59:41+00:00)
Title: [Liskov] [Feature] Iframe Preview Tab

* Initial preview iframe version
* All console URLs and user applications now open in the iframe tab
* Running applications start right away in a new tab to preview
* upon clicking `preview`, the tab is switched and the page reloads to see the new HTML or result