updated to WFK 2.7.0 - WFK BOMs 2.7.0-redhat-1 and EAP 6.3.1.GA
WFK2-705 - replaced deprecated classes
WFK2-698 Added use of loader widget.

This is mostly used when network calls are invoked,
or when the DOM is populated with dynamically created content.
WFK2-756 replaced the obsolete and trivial ftest for the helloworld-gwt quickstart