* Testing - Clean up the Argo controller that was used to build images
* Try to not install Argo in the first place
* Added the test-runner service account
* Cleanup
* Changing the install-argo.sh script instead
* add postsubmit script and yaml
* remove old sample tests component file
* extract deploy-pipeline.sh, deploy-kubeflow.sh and test-prep.sh from presubmit and postsubmit scripts