Added OpenWeather support - https://volna42.com/instructions/external/openweather
Added Pressure widget
Added Date widget
Added External sensor data display in web-panel
Added configurable titles for External & Indoor sensor (configurable in web-panel)
Added optional connection reattempts to External sensor (configured in userDefines.h)
[Default UI] Added optional display Pressure for Ext. & internal sensor (configured in userDefines.h)
[Default UI] Added optional Rain icon (configured in userDefines.h)
Fixed bug with sleepTime config change