* [x] Insert "use CodeMarker"-Button in GUI. * [x] Implement CodeMarker-detection within MultiColorMarker Framework. * [x] Implement exclusion in CodeMarker-detection within MultiColorMarker Framework to use orange head if CodeMarker can not be detected and "ignore head without Marker"-Button is not checked. * [x] Check compatibility with autoCorrect-function. * [x] Check cases when useCodeMarker=True (only true in combination with MultiColorMarker). * [x] Test new feature with new video material with... * [x] ... one person in the picture. * [x] ... multiple persons in the picture.