make dfreader more robust against corrupt log files
Moved data transmission and encapsulated data messages to common message set
dfreader: remove print
Merge pull request #171 from thomasgubler/dfreader

make dfreader more robust against corrupt log files
fix DFReader timebase calculation from GPSTime
DFReader: add rewinds in _find_time_base
Merge pull request #172 from thomasgubler/dfreader_timebase

Fix DFReader timebase
Merged data transmission packets
pymavlink: raise version
pymavlink: added some useful 2nd IMU df functions
pymavlink: try to cope with corrupt DF logs
pymavlink: allow mavextract.py and mavlogdump to create binary log files
pymavlink: raise version
pymavlink: fixed mavextract to allow replay of logs with vehicle detection

keep vehicle type msgs
pymavlink: raise version
pymavlink: added distance_gps2() function
pymavlink: recognise an antenna tracker
pymavlink: allow calculation of EKF position in mavextra
mavgen: add _send_buf() varient of convenience MAVLink send() function

this varient reduces stack space usage for replying to an incoming
MAVLink message by reusing the incoming message buffer
message_definitions: added MAV_TYPE for onboard (companion) controller