Initialize and pass SSLContext to asyncio.loop.create_server to enable ssl support.
Once again - see #1092
SSL support for gaiohttp worker
Initialize and pass `SSLContext` to `asyncio.loop.create_server` to enable ssl support.
If we have a _create_socket method to make subclassing and customization easier, shouldn't we make it a public method(e.g. without a _ prefix and document its intent in the docstring)?