Pro Sites (Supporter) 3.0 Release Candidate

Hey all the last thread here ( https://premium.wpmudev.org/forums/topic/pro-blogs-supporter-30-beta-3-release ) was getting too long, so starting fresh again with beta 7.

I think we're almost ready for release!

UPDATE:
Release Candidate 4 here: https://premium.wpmudev.org/forums/topic/pro-sites-supporter-30-rc4-almost-there