check-version.py polls the official rosdistro file and compares the
version numbers in the meta layer with the official versions.
Usage:
List all versions: ./check-versions.py list (--details)
List all versions that don't match: ./check-versions.py mismatch
(--details)
Update recipe to dist version: ./check-versions.py update <package>
(--downgrade)
Update all recipes to dist version: ./check-versions.py update-all
(--downgrade)