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

Assets/Vuforia/Editor/Scripts.meta

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Assets/Vuforia/Editor/Scripts/OpenSourceInitializer.cs

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+/*===============================================================================
+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.
+===============================================================================*/
+
+using System.Linq;
+using UnityEditor;
+using UnityEngine;
+using Vuforia;
+using Vuforia.EditorClasses;
+
+/// <summary>
+/// Creates connection between open source files and the Vuforia library.
+/// Do not modify.
+/// </summary>
+[InitializeOnLoad]
+public static class OpenSourceInitializer
+{
+    static OpenSourceInitializer()
+    {
+        GameObjectFactory.SetDefaultBehaviourTypeConfiguration(new DefaultBehaviourAttacher());
+        ReplacePlaceHolders();
+    }
+
+    static void ReplacePlaceHolders()
+    {
+        var trackablePlaceholders = Object.FindObjectsOfType<DefaultTrackableBehaviourPlaceholder>().ToList();
+        var initErrorsPlaceholders = Object.FindObjectsOfType<DefaultInitializationErrorHandlerPlaceHolder>().ToList();
+        
+        trackablePlaceholders.ForEach(ReplaceTrackablePlaceHolder);
+        initErrorsPlaceholders.ForEach(ReplaceInitErrorPlaceHolder);
+    }
+    
+    static void ReplaceTrackablePlaceHolder(DefaultTrackableBehaviourPlaceholder placeHolder)
+    {
+        var go = placeHolder.gameObject;
+        go.AddComponent<DefaultTrackableEventHandler>();
+
+        Object.DestroyImmediate(placeHolder);
+    }
+
+    static void ReplaceInitErrorPlaceHolder(DefaultInitializationErrorHandlerPlaceHolder placeHolder)
+    {
+        var go = placeHolder.gameObject;
+        go.AddComponent<DefaultInitializationErrorHandler>();
+
+        Object.DestroyImmediate(placeHolder);
+    }
+
+    class DefaultBehaviourAttacher : IDefaultBehaviourAttacher
+    {
+        public void AddDefaultTrackableBehaviour(GameObject go)
+        {
+            go.AddComponent<DefaultTrackableEventHandler>();
+        }
+
+        public void AddDefaultInitializationErrorHandler(GameObject go)
+        {
+            go.AddComponent<DefaultInitializationErrorHandler>();
+        }
+    }
+}

Assets/Vuforia/Editor/Scripts/OpenSourceInitializer.cs.meta

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Assets/Vuforia/Editor/VirtualButtonTextures.meta

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Assets/Vuforia/Editor/VirtualButtonTextures/VirtualButtonPreview.png.meta

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+    mipMapMode: 0
+    enableMipMap: 1
+    linearTexture: 0
+    correctGamma: 0
+    fadeOut: 0
+    borderMipMap: 0
+    mipMapFadeDistanceStart: 1
+    mipMapFadeDistanceEnd: 3
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+    heightScale: .25
+    normalMapFilter: 0
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+  grayScaleToAlpha: 0
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Assets/Vuforia/Editor/VirtualButtonTextures/VirtualButtonPreviewMaterial.mat

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+%TAG !u! tag:unity3d.com,2011:
+--- !u!21 &2100000
+Material:
+  serializedVersion: 3
+  m_ObjectHideFlags: 0
+  m_PrefabParentObject: {fileID: 0}
+  m_PrefabInternal: {fileID: 0}
+  m_Name: VirtualButtonPreviewMaterial
+  m_Shader: {fileID: 30, guid: 0000000000000000e000000000000000, type: 0}
+  m_SavedProperties:
+    serializedVersion: 2
+    m_TexEnvs:
+      data:
+        first:
+          name: _MainTex
+        second:
+          m_Texture: {fileID: 2800000, guid: dd8287d41aafb4b4bacd7e0ebf634a0c, type: 1}
+          m_Scale: {x: 1, y: 1}
+          m_Offset: {x: 0, y: 0}
+    m_Floats: {}
+    m_Colors:
+      data:
+        first:
+          name: _Color
+        second: {r: 1, g: 1, b: 1, a: 1}
+--- !u!1002 &2100001
+EditorExtensionImpl:
+  serializedVersion: 6

Assets/Vuforia/Editor/VirtualButtonTextures/VirtualButtonPreviewMaterial.mat.meta

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