Fixes#601
- Also replace deprecated `serviceAccount` with `serviceAccountName`
- Sync helloworld test image code from https://github.com/knative/docs/tree/master/docs/serving/samples/hello-world/helloworld-go
- Use local version of buildah task instead of one from catalog, adding `--format=docker` in `buildah bud` command
- to build and push the image to registry in docker format to match the manifestype `application/vnd.docker.distribution.manifest.v2+json`
- Update pipeline to add parameter BUILDER_IMAGE and sets it to quay.io/buildah/stable:latest
* Integration tests for Tekton
* Use knative/client instead of fork
* also put back the e2e-tests into its original format where it doesn't
run the tekton tests
* Run ./hack/build.sh with Go 1.12
* Pull buildah and kn tasks directly from catalog
* Revert "Use knative/client instead of fork"
This reverts commit 2ab272f587.
* Revert "Revert "Use knative/client instead of fork""
This reverts commit f14c2105e2.
* Update Tekton to 0.8.0
* Revert "Use knative/client instead of fork"
This reverts commit 2ab272f587.
* Use knative/client instead of fork
This reverts commit 8eb87ada02.
* Export variables after calling initialize
* Run against arbitrary Docker registry
* Conditionally install Tekton
* Use knative/client instead of fork
This reverts commit 3800adbf69.
* Revert "Use knative/client instead of fork"
This reverts commit 71a3d33b5a.
* Simplify passing the flag to test
* Simplify imports
Navid Shaikh