Jetty HTTP Servlet Server.
This class is the main class for the Jetty HTTP Servlet server.
It aggregates Connectors (HTTP request receivers) and request Handlers.
The server is itself a handler and a ThreadPool. Connectors use the ThreadPool methods
to run jobs that will eventually call the handle method.
Set the connectors for this server.
Each connector has this server set as it's ThreadPool and its Handler.
Parameters: connectors - The connectors to set.