Add compass display
Add roll gauge svg
Implement roll/pitch gauge
Add package that's used by pymavlink code
Implement px4flow odometry and position hold (currently no yaw)
Add IMU data to ui
Relicense as Apache 2.0
Add Highcharts for accelerometer z-axis data
Add optical flow based on OpenCV and webcam
Implement basic position tracking based on optical flow sensor
Automatically setup named symlinks for ardupilot and px4flow devices
Bind to non-local host for web ui, so that it's accessible on the
network, and clean up some whitespace
Add option to select video device for optical flow node, and also add a
better error message
Serve AngularJS locally, so that the webui works without an internet
connection
Fix a bunch of style errors
Don't update google map, if the maps api didn't load
Don't busy wait in web_ui
Add distance to ground estimation
Add altitude chart
update installation notes