Added a compliment to SystemStateParam that works for objects.
Added ability to save/load serial port data to a file from drivers so we can more easily work on them in the future
added an empty constructor to GPSPosition so it can be copied
Began consolidation of system state information with the GPS position
re-organized common messages so those that send on a frequency come before those sending at the system tempo. Added system time message to system messages
ported GX3 to use the new common messages
moved NovAtel to use the new GPS position system status location