Merge branch 'stable-3.0' into stable-3.1

* stable-3.0:
  HookExecutor: Add missing licence header

Change-Id: Ie79f03e7cade3d3fb7f2d71cde6ebaf27caab748
tree: 45c9e0c7c25e4a8c168971186caf87e0847b187e
  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.