message: Contributing guide edits.
diff: # Maintainers
  This repo is currently maintained by Ken Liao (@yknl).
  -# Pull Request Reviewers
  -Hank Stoever (@hstove)
  -Aaron Blankstein (@kantai)
  -Matthew Little (@zone117x)
  +# Pull Request
  -# Submitting Pull Requests
  +## Submitting
  This repository uses the [git flow branching mode](http://nvie.com/posts/a-successful-git-branching-model/).
  The latest released code as deployed to npm is in `master` and the latest delivered development
  @@ -25,6 +22,18 @@ Pull request requirements:
  7. Document any new features or endpoints, and describe how developers would be expected to interact with them.
  8. PR authors should agree to our contributor's agreement.
  +## Reviewers
  +Ken Liao (@yknl)
  +Hank Stoever (@hstove)
  +Aaron Blankstein (@kantai)
  +Matthew Little (@zone117x)
  +
  +All pull requests require at least 2 reviewer approvals before it can be merged.
  +
  +# Documentation
  +Documentation in this repo is automatically generated from code comments via `documentation.js`. It is the responsibility of the pull request author to verify documentation builds correctly.
  +
  +# Issues
  Github issues marked [help-wanted](https://github.com/blockstack/blockstack.js/labels/help-wanted)
  are great places to start. Please ask in a github issue or slack before embarking
  on larger issues that aren't labeled as help wanted or adding additional
  