config: activate logging on 'gearbox serve' With the switch from paster to gearbox, early logging did not show on the console anymore. This includes the initialization logging of TurboGears2. For our own gearbox commands, the activation of logging is done in kallithea/lib/paster_commands/common.py:_bootstrap_config, but for 'serve' this method is not used. 'gearbox serve' immediately runs the 'paste.app_factory' specified in setup.py, which is make_app. Extend make_app with logging initialization in the same way as is done in _bootstrap_config.