Add documentation updates

Document the new configuration options, and change the URL to the
public-facing url on gerrit.googlesource.com

Change-Id: I99f8e3a139e7b57c95564e4d920ac79150379e2c
2 files changed
tree: 149f1491e3519618e5f02f07aeb6e4802eb9ea0d
  1. src/
  2. .gitignore
  3. BUCK