* Adds start_mode=delayed option for win_nssm
It translates to Start=SERVICE_DELAYED_AUTO_START in nssm.
* Adds documentation for the start_mode=delayed option of win_nssm
Also, reformats the start_mode values into a list.
* Check Windows service status before nssm STOP
Add a condition on calling nssm STOP inside Nssm-Remove, to check whether or not a service has already been stopped. Currently nssm throws an exception:
```
failed: [...] (item=...) => {"changed": false, "failed": true, "item": "...", "msg": "an exception occurred when invoking NSSM: serviceName: STOP: The service has not been started."}
failed: [...] (item=...) => {"changed": false, "failed": true, "item": "...", "msg": "an exception occurred when invoking NSSM: serviceName: The service has not been started."}
```
Behaviour after change:
```
ok: [...] => (item=...)
ok: [...] => (item=...)
```
* Added named parameter to new Get-Service cmdlet