Add Qt libraries to Qt Creator IRC project

Signed-off-by: James Warren <admin@trezanik.org>
Fix non-Windows definition sleep

Should be ms divided-by 1000, not multiplied-by

Signed-off-by: James Warren <admin@trezanik.org>
RpcServer working on Linux; tested single RPC command (stop)

- Authentication currently inactive; amend when configuration is capable
- Fix multiple calls to Shutdown() causing crash

Signed-off-by: James Warren <admin@trezanik.org>