arviz: new visu type "Path"

source/RobotAPI/interface/ArViz/Elements.ice

@@ -100,6 +100,14 @@ module data
         float lineWidth = 0.0f;
     };
 
+    class ElementPath extends Element
+    {
+        Vector3fSeq points;
+
+        Color lineColor;
+        float lineWidth = 10.0f;
+    };
+
     class ElementArrow extends Element
     {
         float length = 100.0f;