Added the OpenCV with Visual Studio tutorial. Enhanced, extended the Windows Installation one. Some minor CSS changes to avoid unnecessary large spaces inside enumerations in the tutorials.

samples/cpp/tutorial_code/introduction/windows_visual_studio_Opencv/Test.cpp

@@ -0,0 +1,24 @@
+#include <opencv2/core/core.hpp>
+#include <opencv2/highgui/highgui.hpp>
+#include <iostream>
+
+using namespace cv;
+
+int main( int argc, char** argv )
+{
+	Mat image;
+	image = imread("opencv-logo.png");	// Read the file
+
+	if(! image.data )                    // Check for invalid input
+	{
+		std::cout <<  "Could not open or find the image" << std::endl ;
+		return -1;
+	}
+
+	namedWindow( "Display window", CV_WINDOW_FREERATIO );// Create a window for display.
+	imshow( "Display window", image );                   // Show our image inside it.
+
+	waitKey(0);											 // Wait for a keystroke in the window
+
+	return 0;
+}