rht/ocp-ing-ichp-materials: Playbooks and other exercise collaterals for ING ICHP training @ e42b6d04b3f2787e02eb00263b6a3f18d1578521

Grega Bremec 598c76ba61 add namespace option for namespaced resources in pre_cleanup; add name/label attrs for removal of crds; properly implement pre_cleanup with wait_for_gone and wait_for_sec		il y a 1 jour
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tasks	598c76ba61 add namespace option for namespaced resources in pre_cleanup; add name/label attrs for removal of crds; properly implement pre_cleanup with wait_for_gone and wait_for_sec	il y a 1 jour