1. Renamed direction vector in SkeletonResults.
2. New feature: Presentation for floats and cv::Size in the QTableWidget.
3. New feature: HogFeatureDetector.
4. New feature: InRange.
5. New feature: SkinColorDetector.
6. New feature: OpenCV wrapper classes are now deriving from the abstract class ProcessingComponent. The idea behind this decision is, that each component is able to use the others modulary.
New feature: ProcessingComponents are displayed in the SceneGraph in a hierachically.
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