First wave: proof of concept

This first milestone aims at providing a functioning ecosystem of tools for communication, integrated with identity management/SSO. Furthermore, there should be clear instructions and entry points for people involved in the Group-Assembly-Process to start using the new tools for in in-between the conferences communication.

The milestone emerges from https://hack.allmende.io/s/degrowth-2018-gap-communication-and-networking#first-wave--Proof-of-Concept

And should be ready within a few days after the 6th International Degrowth Conference.