0021189: Clean up KAS:dev:ros and Products

Removal of VoxelClient
VoxelDemo sample is redesigned so that it doesn't require compilation of OpenGl classes. It refers to TKOpenGl.dll as to an external library.
Some minor bugs are fixed in OCAF and Viewer 3d standard MFC samples

samples/qt/VoxelDemo/src/Main.cpp

@@ -0,0 +1,13 @@
+#include <qapplication.h>
+#include "application.h"
+
+int main( int argc, char ** argv ) 
+{
+    QApplication a( argc, argv );
+
+    Application *w = new Application();
+    w->setWindowTitle( "Voxel demo-application" );
+    w->show();
+    a.connect( &a, SIGNAL(lastWindowClosed()), &a, SLOT(quit()) );
+    return a.exec();
+}