Added updated examples from branch

android/examples/OpenGL/Retained/Shape2_18/Shape2_18.pde

@@ -0,0 +1,16 @@
+size(100, 100, P3D);
+smooth();
+
+PShape obj = createShape();
+obj.noFill();
+obj.stroke(0);
+obj.strokeWeight(1);
+obj.vertex(15, 40); // V1 (see p.76)
+obj.bezierVertex(5, 0, 80, 0, 50, 55); // C1, C2, V2
+obj.vertex(30, 45); // V3
+obj.vertex(25, 75); // V4
+obj.bezierVertex(50, 70, 75, 90, 80, 70); // C3, C4, V5
+obj.end();  
+
+background(150);
+shape(obj);