**Added**
* [context plugin] namespaces - create number of namespaces (with
non-default serviceAccounts optionally)
* [scenario plugin] Kubernetes.create_and_delete_pod
* [scenario plugin] Kubernetes.create_and_delete_replication_controller
* [scenario plugin] Kubernetes.create_scale_and_delete_replication_controller
* [scenario plugin] Kubernetes.create_and_delete_replicaset
* [scenario plugin] Kubernetes.create_scale_and_delete_replicaset
* [scenario plugin] Kubernetes.create_and_delete_pod_with_emptydir_volume
* [scenario plugin] Kubernetes.create_check_and_delete_pod_with_emptydir_volume
* [scenario plugin] Kubernetes.create_and_delete_pod_with_hostpath_volume
* [scenario plugin] Kubernetes.create_check_and_delete_pod_with_hostpath_volume
* [scenario plugin] Kubernetes.create_and_delete_pod_with_secret_volume
* [scenario plugin] Kubernetes.create_check_and_delete_pod_with_secret_volume
* [scenario plugin] Kubernetes.create_and_delete_pod_with_configmap_volume
* [scenario plugin] Kubernetes.create_check_and_delete_pod_with_configmap_volume
* [scenario plugin] Kubernetes.create_and_delete_pod_with_local_persistent_volume
* [scenario plugin] Kubernetes.create_check_and_delete_pod_with_local_persistent_volume
* [scenario plugin] Kubernetes.create_and_delete_deployment
* [scenario plugin] Kubernetes.create_rollout_and_delete_deployment
* [scenario plugin] Kubernetes.create_and_delete_job
* [scenario plugin] Kubernetes.create_and_delete_statefulset
* [scenario plugin] Kubernetes.create_scale_and_delete_statefulset
* [scenario plugin] Kubernetes.create_check_and_delete_pod_with_cluster_ip_service
* [scenario plugin] Kubernetes.create_check_and_delete_pod_with_node_port_service
* [scenario plugin] Kubernetes.create_check_and_delete_daemonset