Error was due to update of database, that was not rerendered

The error was due to the improper merge of tra3dpy and navipy

Correct orientation blender. The rotation of camera to aling in x should be done after the rotation of cam according to yaw pitch roll

Add trajectories and markers

Add plots of frame
Add marker functionality to decompose 3 markers into x,y,z yaw pitch roll

Add error progpagation tools and test function

Add resources such as 3 body marked bee of learning flight in Doussot 2017
Calibration of Doussot 2018a

Add input output function to load ivfile trajectory and opencv calibration