"The default coafile '.coafile' was not found." warnings

`coala-quickstart --ci` is emitting lots of "The default coafile '.coafile' was not found." warnings
see https://travis-ci.org/jayvdb/Aurora/builds/185683597
```
WARNING:root:The default coafile '.coafile' was not found. You can generate a configuration file with your current options by adding the `--save` flag or suppress any use of config files with `-I`.
WARNING:root:The default coafile '.coafile' was not found. You can generate a configuration file with your current options by adding the `--save` flag or suppress any use of config files with `-I`.
WARNING:root:The default coafile '.coafile' was not found. You can generate a configuration file with your current options by adding the `--save` flag or suppress any use of config files with `-I`.
WARNING:root:The default coafile '.coafile' was not found. You can generate a configuration file with your current options by adding the `--save` flag or suppress any use of config files with `-I`.
WARNING:root:The default coafile '.coafile' was not found. You can generate a configuration file with your current options by adding the `--save` flag or suppress any use of config files with `-I`.
WARNING:root:The default coafile '.coafile' was not found. You can generate a configuration file with your current options by adding the `--save` flag or suppress any use of config files with `-I`.
WARNING:root:The default coafile '.coafile' was not found. You can generate a configuration file with your current options by adding the `--save` flag or suppress any use of config files with `-I`.
WARNING:root:The default coafile '.coafile' was not found. You can generate a configuration file with your current options by adding the `--save` flag or suppress any use of config files with `-I`.
```