Fixed warnings

Author: Antoine Lelièvre

Assets/Examples/DefaultNodes/Nodes/ColorNode.cs

@@ -8,7 +8,7 @@
 public class ColorNode : BaseNode
 {
 	[Output(name = "Color"), SerializeField]
-	public Color				color;
+	new public Color				color;
 
 	public override string		name => "Color";
 }

Assets/Examples/DefaultNodes/Nodes/DrawerFieldTestNode.cs

@@ -30,7 +30,7 @@ public class DrawerFieldTestNode : BaseNode
 	public string stringInput;
 
 	[Input(name = "Color"), ShowAsDrawer]
-	public Color color;
+	new public Color color;
 
 	[Input(name = "Game Object"), ShowAsDrawer]
 	public GameObject gameObject;

Assets/Examples/DefaultNodes/Nodes/FieldTestNode.cs

@@ -14,7 +14,7 @@ public class FieldTestNode : BaseNode
 	public Vector3 v3;
 	public Vector4 v4;
 	public LayerMask layer;
-	public Color color;
+	new public Color color;
 	public Bounds bounds;
 	public Rect rect;
 	public CameraClearFlags flags = CameraClearFlags.Color;