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switch to eagle cad for hardware

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use 64bit ints for offset cleanup median code

stop the clock for up to 60 seconds to handle negative delta when setting from RTC

use median of last values if ntp offset comes back as >900ms

compute a long double version of offset so we can easialy check abs value for when to set RTC

removed unused extern declaration

added config params for 2 time changes to adn from DST