NOJIRA Copying default configuration files considered harmful

The ~/.calcentral_config/*.local.yml files should really only be used for overriding default settings. Otherwise, we set ourselves up for uncaught bugs or unexpected breakages. When we deliberately change the default settings for real-world use, instead of the new defaults going into action as expected, the old defaults will be hanging around and override them. This scenario has bitten developers and our shared server environments a couple of times now.