Upgraded original RothenburgAR to Unity version 2017.4.5f1 (and upgrading from standalone vuforia to the version integrated in unity)

Assets/Vuforia/Shaders/OutlineOpaque.shader

@@ -0,0 +1,86 @@
+//===============================================================================
+//Copyright (c) 2017 PTC Inc. All Rights Reserved.
+//
+//Confidential and Proprietary - Protected under copyright and other laws.
+//Vuforia is a trademark of PTC Inc., registered in the United States and other
+//countries.
+//===============================================================================
+//==============================================================================
+//Copyright (c) 2013-2014 Qualcomm Connected Experiences, Inc.
+//All Rights Reserved.
+//==============================================================================
+
+Shader "Custom/OutlineOpaque" 
+{
+	Properties 
+	{
+		_SilhouetteSize ("Size", Float) = 0.0
+		_SilhouetteColor ("Color", Color) = (1,1,1,1)
+	}
+	
+	CGINCLUDE
+	#include "UnityCG.cginc"
+
+	struct v2f 
+	{
+		float4 position : POSITION;
+		float4 color : COLOR;
+	};
+
+	struct vertIn 
+	{
+		float4 position : POSITION;
+		float3 normal : NORMAL;
+	};
+
+	uniform float _SilhouetteSize;
+	uniform float4 _SilhouetteColor;
+	
+	ENDCG
+
+	SubShader 
+	{
+		Tags { "Queue" = "Geometry" }
+		
+		Pass 
+		{ 
+			Cull Back
+			Blend Zero One
+		}
+		
+		Pass 
+		{
+			Cull Front
+
+			CGPROGRAM
+			#pragma vertex vert
+			#pragma fragment frag
+
+			v2f vert(vertIn input) 
+			{
+				v2f output;
+				// unmodified projected position of the vertex
+				output.position = UnityObjectToClipPos(input.position);
+				output.color = _SilhouetteColor;
+
+				// calculate silhouette in image space
+				float2 silhouette   = TransformViewToProjection(mul((float3x3)UNITY_MATRIX_IT_MV, input.normal).xy) * _SilhouetteSize;
+
+				// add silhouette offset
+				output.position.xy += output.position.z *  silhouette;
+				
+				return output;
+			}
+
+			half4 frag(v2f input) :COLOR 
+			{
+				return input.color;
+			}
+			ENDCG
+		}
+
+
+	}
+	
+	Fallback "Diffuse"
+}