Including sent invites and referral status

- Useful for debugging...

Add a trigger or rule that would remind advocates that they still have a positive store credit…

Also add option to block all advocates by default, i.e. manually approve who can be advocates.

Add option to give free shipping for advocates.

Add an option to only reward an advocate after a set number of subscription renewals....

When clicking the referral button to share to Facebook, it would be great to have the option to…