Description

Added new Interactions input option to control the interactions between systems. For each interaction type it is possible to choose one of four options:

interact with all available partners
do not interact with any partner
interact only with some specified partners
interact will all available partners except with some specified partners

Also disables gravity by default.

News snippet

New Interactions input option to control the interactions between systems

Checklist

I have checked that my code follows the Octopus coding standards
I have added tests for all the new features added in this request.

Edited Jul 05, 2020 by Micael Oliveira