Fixes KSP-KOS#2463 by just changing which shader

Fixes KSP-KOS#2463

The Shader chosen from KSP's pre-made shaders was one
that was additive-only and would never darken colors.
That's all that was wrong.

src/kOS/Suffixed/VectorRenderer.cs

@@ -1,4 +1,4 @@
-using kOS.Safe;
+using kOS.Safe;
 using kOS.Safe.Encapsulation;
 using kOS.Safe.Encapsulation.Suffixes;
 using kOS.Safe.Execution;
@@ -340,16 +340,18 @@ public void SetShow(BooleanValue newShowVal)
 
                     line = lineObj.AddComponent<LineRenderer>();
                     hat = hatObj.AddComponent<LineRenderer>();
-                    //TODO: 1.1 TODO
                     label = labelObj.GetComponent<GUIText>();
 
                     line.useWorldSpace = false;
                     hat.useWorldSpace = false;
 
                     GetShipCenterCoords();
 
-                    line.material = new Material(Shader.Find("Particles/Additive"));
-                    hat.material = new Material(Shader.Find("Particles/Additive"));
+                    // Note the Shader name string below comes from Kerbal's packaged shaders the
+                    // game ships with - there's many to choose from but they're not documented what
+                    // they are.  This was settled upon via trial and error:
+                    line.material = new Material(Shader.Find("Particles/Alpha Blended"));
+                    hat.material = new Material(Shader.Find("Particles/Alpha Blended"));
 
                     // This is how font loading would work if other fonts were available in KSP:
                     // Font lblFont = (Font)Resources.Load( "Arial", typeof(Font) );