LPS-32488 - Add portal.properties setting to open Dockbar Manage links as maximized portlets or iframes

Hey Shinn,

Attached are the changes to open the Dockbar -> Manage links as a maximized portlet.  This update can be found at http://issues.liferay.com/browse/LPS-32488.

Please let me know if you have any questions.

Thanks!

- Jon Mak