XBee Test now compiling, renamed messages.
xbee Test and Xbee heart beat now working.
Added Mavlink message Start_rescue
Initial creation of Compass project
Merge branch 'master' into xbee
Merge branch 'master' into compass
Mavlink message added.
Accelerometer accum and indicator test. Improvements to logger speed.
Added GPS error correction code to pic, and MATLAB test.
Added GPS error correlation test2 pic.
Merge pull request #22 from BananaSlug/xbee

Xbee
Merge pull request #20 from BananaSlug/compass

Compass
Merge branch 'accel_logger'
Merge branch 'gps_error'
Message added to Mavlink.c
Merge branch 'compass'
Merge branch 'sonar'
Renamed Sonar Project
Merge pull request #23 from BananaSlug/master

Sonar Xbee, Compass and Mavlink
Renamed compas, removed GPS2, added lcd interface.