Tahi-project/tahi — pull request #535 by faun (2014-10-27 16:14:22+00:00)
Title: Increase robustneess of iHat url bootsrapping

- Initialize config.ihat_supported_formats regardless of request result
- When request is not JSON, reject it and log a warning
- Only assign ihat_supported_formats if it can be parsed as json