LART1 v1.000a release

Feature Summary

( also see Issues for Milestone 1.0):

• Read configuration from SD card
• APRS beacon mode (fixed or "NotSoSmart" modes)
• NotSoSmart Mode - adjust update interval based on miles per hour threshold
  • include "one last time" position transmit after stopping
• Adjustable intervals
• Adjustable APRS packet settings
• Adjustable Transceiver Settings
• APRS receiver (decodes to serial port)
• LCD Display and Status LEDs