Fix docs for the "Understanding State Ordering" tutorial

"code-block" directives require a blank line before them.
related to #9274, another place needs exception handling
updated suse spec to 0.17.4
Merge pull request #9431 from malept/fix-states-ordering-docs

Fix docs for the "Understanding State Ordering" tutorial
Merge pull request #9432 from Cofyc/fix_exception_handling_in_ps

related to #9274, another place needs exception handling
Merge pull request #9433 from aboe76/develop

updated suse spec to 0.17.4
Adding execution module and state for @PagerDuty
Merge pull request #9434 from techhat/pagerduty

Adding execution module and state for @PagerDuty
Add new pagerduty module/state to docs
Merge pull request #9435 from terminalmage/docs

Add new pagerduty module/state to docs