Update events to extend the new RefEvent instead of ChangeEvent

Change-Id: I73f3731379ea8553f5a67c10da6d06d48a9b4584
3 files changed
tree: b0afe427760029da8f9ff6c43bb6bdd9ad7c8652
  1. .settings/
  2. src/
  3. .gitignore
  4. BUCK
  5. LICENSE