Define separate package for config code.

Ensure game/server configs sit in game directory for easy editing and referencing.

The logging for the network teardown has been put in the appropriate function.

Use CMake definitions to specify config paths and filenames.

Include _s wrappers for most standard function calls.

Add compatibility for macOS and *NIX files

TODO: inspect building of dependencies

Rename files in order to prepare for extraction for publishing
subsystems independently.