UC-53 Create a new module for Facebook v2+

Update the Facebook PHP and JS SDK's to the new version and create a new extension to implement the FB connect functionality through them.

https://wikia-inc.atlassian.net/browse/UC-53
Ok, added the config object I created for the constructor as a parameter to pass in here.  This should only be for test injection since one point of an instance getting method is to free the caller from dragging around a set of initialization options for every time they want to access an often used instance.