Added By.jQuery support, thus allowing more complex selectors

Conflicts:
	src/StorytellerProject/Fixtures/JQueryFixture.cs
Added ability to use anonymous functions with WebDriver.JavaScript, added jquery helper methods for filtering elements by text value
Changed test to return from javascript executor what is actually returned by WebDriver when no elements are found.
Added tests for the SearchContextToJavaScriptExecutor converter
Added docs for By.jQuery
Added documentation linking jquery api docs and explaining the usage of the dynamic a little more.
Refactored JavaScript argument building to reduce multiple if checks, and added tests
Doc cleanup for By.jQuery
just reordered some of the docs