Low: Updated documentation and website

* The Pacemaker bug tracker no longer tracks shell bugs

* Add separate online documentation for the stable release
Medium: bash_completion: Add completion installation to spec file
Low: main: Tab completion for multi-line statements

BUG: bnc#845339
Dev: utils: Add nvpairs2dict
WIP ansible tests
Dev: cluster: Use crmadmin to get list of nodes
Low: cluster: Catch OSError when crmadmin fails
WIP ansible test 2
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
Low: cluster: Error if local node is not in init nodelist
Low: library: Add crm module
Dev: cluster: More work on init/doctor