Adding ocp4-workload-debugging-workshop role for the Summit 2020 (#1178)

* Added Roles for the A0009 RHTE Lab

* Fixed

* Fixed issues

* Fixed issues

* Finalized role configuration

* Fixed a variable issue

* Checked until the workshop infra becomes ready

* Cleaned up and updated Readme

* Cleaned unused files

* Cleaned unused files

* Cleaned

* Updated to use Che7

* Added permissions for the workshop operator to install operators

* Increased retry for Che Deployment

* Updated Role for clusterserviceversions resource

* Added new Role ocp4-workload-debug-workshop

* Fixed typpo in variagles

* Reduced num_users by default

* Renamed ocp4-workload-debugging-workshop role

* Update readme.adoc

* Fixed

* Adding Verification Role for Debugging Workshop

* Adding Verification Role for Debugging Workshop

* Fixed variables issues and  add a waiting task before the end

* Added names to block

* Moved verification playbook into post_workload.yml