Ignore various files generated by the examples
Fixed LICENSE to proper MIT License text
Split EPS_LIN and EPS_ALT

In order to have a different precision requirement
on altitude than on horizontal positioning.
Do not correct yaw in EKF

A temporary fix since it appears the yaw correction does
not work as expected
Avoid cluttering the screen with goal reached
Added support for tag detection in square example
Refactored to new mission flow
Return control object from mission
Fixed axis issue in tag localization
Log all steps of Kalman Filter