Merge branch 'stable-3.0' into stable-3.1

* stable-3.0:
  StartCommand/ListCommand: Use isEmpty() to test for empty collection
  Make constants final

Change-Id: I1ce8d78f2ebf8b20e704b4cea3ae06b309f21d3d
tree: 91d03232d442c66021560b5877432ada47c23747
  1. .gitignore
  2. .mailmap
  3. .settings/
  4. BUILD
  5. LICENSE
  6. src/