** Changes in the last couple of weeks
** Need to get a rundown
** https://developer.mozilla.org/En/HTTP_access_control - this is accurate but not thorough
** Need some links on how to do this in php/django/other
** http://ejohn.org/blog/the-march-of-access-control/
** [1] DevMo documentation: https://developer.mozilla.org/En/HTTP_Access_Control
** [2] DevMo documentation: https://developer.mozilla.org/En/Server-Side_Access_Control
** [3] Working Code Snippets: http://arunranga.com/examples/access-control/
** [4] Old DevMo documentation: https://developer.mozilla.org/En/Cross-Site_XMLHttpRequest
* Offline stuff for 3.1?