Clarified documentation
Merge branch 'master' of github.com:mavlink/mavlink
pymavlink: cope with empty STRT message in APM:Copter dataflash logs
pymavlink: added support for PX4 native SD log format
pymavlink: added PX4 native gyro propogation code
pymavlink: raise version
pymavlink: cope with APM:Copter Mode log entry
pymavlink: added mode_string_acm()
pymavlink: cope with no GPSTime attrib on GPS messages
common: added SCALED_IMU2 message

for secondary sensors
common: added health bits for secondary sensors
pymavlink: fixed mavgraph for msg types ending in a digit
Merge branch 'master' of github.com:mavlink/mavlink
Added log transfer functions from Andrew Tridgell
Hotfix: Fixed typo in last change
pymavlink: fixed ArduPlane time base
pymavlink: added downsample(N) conditional
pymavlink: fixed DF reading null termination
raise version
Fix detection of PX4 timestamps, increase logdump resolution to milliseconds