[ArucoThread] fix correction of actual rotation. Graph is turning in correct directions now. Add also ofortunity tu switch between settings, that marker is front of or behind screen.
[ArucoThread] add 2 switch variables and appropriate slots, for enabling or disabling of correction and ending actual frame/image with merked marker
Merge branch 'features-arucoCore-Martina' of https://github.com/marconak/Arvis into features-opnecvArucoGui-Martina
Merge branch 'features-opnecvArucoGui-Martina' of https://github.com/marconak/Arvis into features-opnecvArucoGui-Martina