Merge branch 'stable-2.16' into stable-3.0

* stable-2.16:
  Extend CommitMessageFetcher to handle non-commit objects

Change-Id: I6f4b9c7ab5992619094754484c1f57093a529b03
tree: 6b33f06afc353b61ac2424a5496c64e16cd3e5f2
  1. .settings/
  2. src/
  3. tools/
  4. .bazelignore
  5. .bazelrc
  6. .gitignore
  7. bazlets.bzl
  8. BUILD
  9. LICENSE
  10. WORKSPACE