Fixed ruby process being left behind in busy loop, when Visualizer exits (ticket:902)
Fixed ruby process being left behind in busy loop, when Visualizer exits (ticket:902)

nomovok-opensource/cutedriver-visualizer,nomovok-opensource/cutedriver-visualizer,ration/tdriver_visualizer,ration/tdriver_visualizer,ration/tdriver_visualizer,ration/tdriver_visualizer,ration/tdriver_visualizer,nomovok-opensource/cutedriver-visualizer,nomovok-opensource/cutedriver-visualizer