Update to selenium-server 2.42.1; This fixes a problem with Firefox wher...

...e, against 2.28, doCommand() will throw the error described at http://selenium.10932.n7.nabble.com/Argument-1-of-EventTarget-dispatchEvent-does-not-implement-interface-Event-td29455.html

Updates readmeTest.cfc to point to new location for cfselenium

Updates comment language in CFSeleniumTestCase.cfc