Merge branch 'stable-2.16'
* stable-2.16:
Prevent null pointer when extracting AccountAttribute
Upgrade bazlets to latest stable-2.15 to build with 2.15.9 API
Upgrade bazlets to latest stable-2.14 to build with 2.14.18 API
Do not fetch commit message for ref deletions
Revert "Fix ref updated event on change deletion"
Bazel: Include eclipse-out directory in .bazelignore
Add explanatory comment to empty BUILD file(s)
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
Migrate `tools/bazel.rc` to `.bazelrc`
Update build documentation to link to dev-bazel instead of dev-buck
Align Eclipse compiler settings with core Gerrit's
Upgrade bazlets to latest stable-2.15 to build with 2.15.5 API
bazlets: Replace native.git_repository with skylark rule
Upgrade bazlets to latest stable-2.14 to build with 2.14.15 API
Add eclipse-out to .gitignore
Format all build files with buildifier 0.15.0
Update bazlets to latest revision on stable-2.15
Remove commented-out code
Format BUILD files with buildifier 0.12.0
Format Java files with google-java-format 1.6
Update bazlets to latest revision on stable-2.14
Change-Id: I56b86f1c63c5f33443486c47a8bfb8039bfd4be0