Revert "Automatic retry of NPE to work around an HTMLUnit bug."

This reverts commit 1f48aa098c03a73e798d3d616096d67b230204dd.

Conflicts:
	core/src/main/groovy/com/cj/qunitTestDriver/PageDriver.groovy
extract creation of the WebClient to a factory and Inject it into the PageDriver
parameterize the waitForAjax method
clarified the timing loop
pushing exception generation farther away from the logic.  Converted to RuntimeException instead of assertion exception
Refactor QUnitElement to private method
test completeness more precisely
utilize convenience method for checking for multiple strings
utilze getFirstByXPath instead of getByXPath().get(0)
bump version
re-indent