Set up logging for SG projects
Upgrade requirement versions
Rename the 'shreabouts_client' app to 'stompingground'
Update the setup instructions
Make URLs internationalizable; Clean up URL patterns files
Raise ValueError if no config file is found in the given config path
Allow for several instances on the same server

- Patch the Shareabouts models to recognize an API root path
- Update the local_settings configuration to allow for a default, or multiple instances
- Update URLs and views to take notice of the instance parameter