Silence missing lifecycle hook errors
Silence missing lifecycle hook errors

Because they are optional and not an error.

markandrewj/velocity-test-runner,meteor-velocity/velocity,pbastowski/velocity,meteor-velocity/velocity,meteor-velocity/velocity,markandrewj/velocity-test-runner,DAB0mB/velocity,pbastowski/velocity,markandrewj/velocity-test-runner,DAB0mB/velocity,DAB0mB/velocity,pbastowski/velocity