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Merged #139 with new "About Watchy" feature

• Updated NTP to use NTPClient library, getLocalTime does not return newly synced time

• Users can now define weather and NTP settings in settings.h with each watch face, without having to modify ```config.h```` in the core library
• Users can call getWeatherData() & syncNTP() with parameters to override settings
• Updated watch faces to work with library changes

• Added native support for NTP sync to Watchy library
• NTP sync added to getWeatherData and setupWifi method
• Fix #121
• Fix #123
• Fix #124

• Battery Life Optimizations by @DarkZeros
  • #116
  • #117
• Fix for #115

• fixed datetime time setting
• changed temp. sensor to BMA temp sensor
• Catch PCF8563 POR setting month = 0

add support for switching ADC pin based on hardware version

• Add support for new RTC
• Update ADC pin number (33 -> 35) for new hardware revision

• Merged more accurate ADC call
• Merged 12/24 hour option