Merge remote-tracking branch stable-2.13'

* stable-2.13:
  Get commentLink w/ association from project.config
  Move the association policy to the plugin's config
  Restore enforcement constraint by parent projects

Change-Id: I7073bdca41473cfe57f7dc253b8a952bcb016fc5
tree: 0e8d4897cae2d2e0d38c9da9bd899ca3a952b4e4
  1. .settings/
  2. src/
  3. tools/
  4. .gitignore
  5. bazlets.bzl
  6. BUILD
  7. LICENSE
  8. WORKSPACE