Merge branch 'stable-2.16' into stable-3.0

* stable-2.16:
  HookExecutor: Add missing licence header

Change-Id: Iaf1596bbc083a46f171dee3c30a2477d9372dee3
tree: 6da2e974b75ffd1843d4dbd1ed579f3274692a8e
  1. src/
  2. .gitignore
  3. BUILD

Hooks plugin

Gerrit does not support the standard server-side git hooks in the repositories it manages.

This plugin adds support for custom hooks that can be run instead. Refer to the configuration documentation and list of supported hooks for details.