* no_log even when task_result doesn't provide key
- now also checks task property
- added reproducer to tests for unreachable status on item loop
(cherry picked from commit 336b3762b2)
* Add changelog entry for the no_log fix
(cherry picked from commit 5fdd101a3e)
This change corrects problems reported by the `yamllint` linter.
Since key duplication problems were removed in 4d48711, this commit
mainly fixes trailing spaces and extra empty lines at beginning/end of
files.
