Powernotes - different link for academic insts

Issue

Russell: "for USG, TCSG, -PALS, AUC, I'd love to drop the (free version) and have it link here instead: https://about.galileo.usg.edu/support/what_is_powernotes2"

Institutions

Is this the right group of institutions?

https://docs.google.com/spreadsheets/d/1PTaPAcopAB20MI4heeeCr7tQdSWIfesFUSCb2nsdrhA/edit?usp=sharing