Add kubeflow/kfctl to list of the default repos. (#133)
Add kubeflow/kfctl to list of the default repos. (#133)

* We need this because we want to be able to trigger the E2E tests from other
  repositories like kubeflow/manifests

* Related to kubeflow/manifests#613
kubeflow/kfctl,kubeflow/kfctl,kubeflow/kfctl