Add sles10 support

auto-propagate option is not recognize in SLES10 so I added a parameter to enable/disable it.
It's done. Thank you :-) 

Garrett Honeycutt <notifications@github.com> wrote:

>In manifests/init.pp:
>
>> @@ -78,7 +83,6 @@ > } else { > $service_enable_real = $service_enable > } > - validate_bool($service_enable_real) 
>
>can you please put it back in another commit :)
>
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