- Added registry entries for specifying maximum fraction digits for several values
  (position, elevation/altitude, accuracy, heading, speed)
- Fixed reference from formatLatititude to formatLatitude
NMEA file reading/writing:
- Added haveDifferentStartDate check in parsing NMEA file
  (fixed bug with the improperly parsed first entry)
- Modified year in NMEA $GPZDA entry from "yy" to "yyyy"
- Modified order of NMEA entries written for one position
- Fixed rounding errors in nmea2degrees and position2nmea