Version 2.4.3 [Common]Added a downloader script to automatically set up the Dnn module example. [WebGL]Added exclude_contrib version for build size reduction.

Version 2.1.4 [Common]Changed the scene name.(“Sample” to “Example”) ] [Common]Fixed ArUcoTexture2DExample and ArUcoWebCamTextureExample. [Common]Added ConnectedComponentsExample. [Common]Added GreenScreenExample.

Version 2.2.7 [Common]Updated to OpenCV3.4.1. [Common]Added OpenPoseExample, KalmanFilterExample, ArUcoCameraCalibrationExample. [Common]Fixed VideoWriterExample, VideoCaptureExample, ImwriteScreenCaptureExample, CamShiftExample, TrackingExample, HandPoseEstimationExample, ArUcoCreateMarkerExample, ArUcoExample, ArUcoWebCamTextureExample. [Common] Updated to WebCamTextureToMatHelper.cs v1.0.6.