Create a CONTRIBUTION.md file which outlines the guidelines for contributing to the EAP6 codebase.  This is a markdown file that allows contributors to review our guidelines before submitting a PR. More details can be found at [1]. This will be useful for new starts as it will place the guidelines in the repository itself opposed to just being spread across Mojo and old email threads.

[1] https://help.github.com/articles/setting-guidelines-for-repository-contributors/