2.0 Remove WU code and minor fixes
- Remove all deprecated WeatherUnderground code as announced in summer 2018, see https://github.com/ThingPulse/esp8266-weather-station#deprecation-notes
- Remove unmaintained MetOffice and oneDayForecaster examples
- Adjust HTTP client parse loop to be compliant with ESP8266 Arduino Core 2.6.x
- Minor fixes
Details: v1.6.6...v2.0.0