WIP ansible tests
Dev: cluster: Use crmadmin to get list of nodes
Low: cluster: Catch OSError when crmadmin fails
WIP ansible test 2
Dev: ui_utils: Expose argument printer
Low: command: Improved default help for commands
Dev: cluster: Experimenting with executing playbooks
Dev: Add hahealth and rpmcheck ansible modules
Dev: playbooks: Add work-in-progress playbooks for the cluster init and doctor commands