We should also note that after they clone their fork that they should install Subliminal as a developer to install its schemes, file templates, and dependencies. Here's what that might look like, incorporating/slightly amending my suggestions from the last comment:

> Subliminal welcomes pull requests! To contribute, fork the Subliminal repo and clone your fork. GitHub has [a guide](https://help.github.com/articles/fork-a-repo) to this process if you'd like more information.

> Then, from the root directory of your fork, execute `rake install DEV=yes && git submodule update --init --recursive` to fully initialize Subliminal as well as install some file templates to help you write tests.
> > You should run the above command even if you had already installed Subliminal. Subliminal will "re-install" without problem.

> With your fork set up, make your changes. If you're adding functionality...