Added link to closure.js for future reference.
Added test page and script for the AJAX mocking plugin https://github.com/appendto/jquery-mockjax
Added mock AJAX call.
Added basic success and failure tests.
Added some mock AJAX tests using QUnit.
Switched order of assertion arguments as it makes the error messages read correctly. Added purpose of each test. Added new test for timeout.
Merge pull request #7 from TimCollins/add-mock-ajax-example

Add mock ajax example