* Using docstrings conflicts with the standard use of docstrings
* PYTHON_OPTIMIZE=2 will omit docstrings. Using docstrings makes future
changes to the plugin and module code subject to the requirement that we
ensure it won't be run with optimization.
* only complain about ini deprecation if value is set
* set plugin config for stdout and other types
* updated plugin docs, moved several plugins to new config
* finished ssh docs
* fixed some issues seen in plugins while modifying docs
* placeholder for 'required'
* callbacks must use _plugin_options as _options already in use
A playbook that does `timezone name=Australia/Brisbane` on
a host previously in UTC will appear to take 10 hours.
Improve the seconds handling for playbooks that take longer
than one hour.
Improve the hours handling for playbooks that take longer than
one day.
TZ change before:
```
Playbook run took 0 days, 10 hours, 0 minutes, 36055 seconds
```
After:
```
Playbook run took 0 days, 0 hours, 0 minutes, 55 seconds
```
Sleep for 100s more than one hour before:
```
Playbook run took 0 days, 1 hours, 1 minutes, 3641 seconds
```
After:
```
Playbook run took 0 days, 1 hours, 1 minutes, 41 seconds
```
Toshio Kuratomi
Brian Coca
Will Thames
Brian Coca
Toshio Kuratomi