Update AuthRBAC.md

[anthonycmain]

Updated to reflect that it is now part of core framework no longer just Enterprise

Problem

RBAC is now part of the core framework

Solution

Updated documentation to reflect this

[fzaninotto]

Thanks fro your feedback. But the RBAC features are still part of the Enterprise Edition. What's open-source is the Access Control part.

Is anything misleading in the current doc?

[anthonycmain]

Sorry no I must be mistaken, I wrote a role based provider over the weekend and thought this was what I had implemented on top of the Atomic CRM sample.

I had misread your Jan email update when you move the advanced Access Control into core