Do NOT try to install from the master repo.
For installation instructions and various unix distribution guides, use the DeploymentKit.
There are many ways to get involved with the project. If you have a new and exciting feature, or even a simple bugfix, simply fork the repo, create some simple test cases, generate a pull-request and give yourself credit!
If you've never worked on a GitHub project, this is a good piece for getting started.
Getting Started with Development
COPYRIGHT AND LICENSE
Copyright (C) 2017 the CSIRT Gadgets Foundation
Free use of this software is granted under the terms of the Mozilla Public License (MPLv2).