* Rename Forecast.io platform to Dark Sky
* Upgrade to python-forecastio to 1.3.5
* Update to reflect name change (Forecast.io -> Dark Sky)
* Rename forecast to darksky
* Stick version numbers
* Move elevation to core config
* Migrate forecast test to requests-mock
* Migrate YR tests to requests-mock
* Add requests_mock to requirements_test.txt
* Move conf code from bootstrap to config
* More config fixes
* Fix some more issues
* Add test for set config and failing auto detect