Merge branch 'stable-2.15'

* stable-2.15:
  Upgrade bazlets to latest stable-2.15 to build with 2.15.7 API
  Upgrade bazlets to latest stable-2.14 to build with 2.14.17 API
  Upgrade bazlets to latest stable-2.15 to build with 2.15.6 API
  WORKSPACE: Make commented out local_path line spaces indent consistent
  Upgrade bazlets to latest stable-2.14 to build with 2.14.16 API
  Fix classpath generation for Eclipse project
  Align Eclipse compiler settings with core Gerrit's
  bazlets: Replace native.git_repository with skylark rule
  Upgrade bazlets to latest stable-2.15 to build with 2.15.5 API
  Update bazlets to latest stable-2.14 to build with 2.14.15 API
  Update bazlets to latest stable-2.15 and adjust to 2.15.4 API
  Update bazlets to latest stable-2.14 to build with 2.14.14 API
  Migrate (i.e. move) `tools/bazel.rc` to `.bazelrc`
  Update bazlets to latest stable-2.14 to build with 2.14.13 API
  Format all build files with buildifier
  Format all Java files with google-java-format
  Format all build files with buildifier
  Update bazlets to latest stable-2.14 and adjust to 2.14.12 API
  Format all Java files with google-java-format
  Update bazlets to latest revision on stable-2.15
  Update bazlets to latest stable-2.14
  Minor documentation fixes
  Remove mention of draft changes from the documentation
  Update bazlets to latest stable-2.15 to use 2.15.1 API
  Format all Java files with google-java-format
  Bazel: Switch to using release plugin API
  Change equality comparison for consistency
  Handle sub-patch versioning
  Handle changes in refs/meta
  Handle file comment
  Fix inline comment position
  Use latest bazlets

Change-Id: Ie926ed8b9f4a9d1338973d1cadde05614dc868c5