Add keepalive_request, hostname_lookups, start_servers, server_limit, max_clients, max_request_per_child to the template and class

Hi,

I've keepalive_request, hostname_lookups, start_servers, server_limit, max_clients, max_request_per_child to the template and class.

Endeed, I think we must use more tunning directive in this puppet module to configure apache. This directivres are writed with defaults values.

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you're linking to the 2.0 french docs. — please just link to current. 2.0 is widely out of date and not being maintained anymore.. people who have their browsers configured appropriately, they will be redirected to french current docs anyway.