* Bring in the latest features and fixes.
* Use the default build/unit test runners.
* Remove test-infra import hack from `Gopack.lock` and `update-deps.sh`
* Add the initial caching type definitions.
This is largely carried over from https://github.com/knative/serving/pull/1972
* Incorporate feedback from @evankanderson
* Add the CRD for the type definition.