flownav: lots of changes (too many really). Added extra keyboard
controls for controlling drawing. Added terminal output for program
launch. Added option for reading from a video file / camera.
Added a more detailed related works section to README
Rewrote the drone controller interface so that it could hold multiple
commands (instead of zeroing out everything else when one new parameter
was set). Keyboard control and auto control were subsequently simplified
by these steps.
flownav: was updated to work with the controller changes. Removed
keypoint history tracking and replaced with obstacle history
tracking. Added a few more options for setting start video frame
flownav.launch: enabled imu calibration option
framebuffer: Added class for grabbing from video file or camera to make
a common interface across different sources.