[unity] Restored broken Sprite Shaders example scene material (stretchyman) compatibility with Unity 2017.1.

spine-unity/Assets/Spine Examples/Spine Skeletons/Stretchyman/stretchyman-diffuse-pma_Material.mat

@@ -2,23 +2,14 @@
 %TAG !u! tag:unity3d.com,2011:
 --- !u!21 &2100000
 Material:
-  serializedVersion: 8
+  serializedVersion: 6
   m_ObjectHideFlags: 0
-  m_CorrespondingSourceObject: {fileID: 0}
-  m_PrefabInstance: {fileID: 0}
-  m_PrefabAsset: {fileID: 0}
+  m_PrefabParentObject: {fileID: 0}
+  m_PrefabInternal: {fileID: 0}
   m_Name: stretchyman-diffuse-pma_Material
   m_Shader: {fileID: 4800000, guid: 2ce511398fb980f41b7d316c51534590, type: 3}
-  m_Parent: {fileID: 0}
-  m_ModifiedSerializedProperties: 0
-  m_ValidKeywords:
-  - _ALPHAPREMULTIPLY_ON
-  - _EMISSION
-  - _FIXED_NORMALS_VIEWSPACE
-  - _NORMALMAP
-  m_InvalidKeywords:
-  - _FIXED_NORMALS
-  - _USE8NEIGHBOURHOOD_ON
+  m_ShaderKeywords: _ALPHAPREMULTIPLY_ON _EMISSION _FIXED_NORMALS _FIXED_NORMALS_VIEWSPACE
+    _NORMALMAP
   m_LightmapFlags: 5
   m_EnableInstancingVariants: 0
   m_DoubleSidedGI: 0
@@ -28,7 +19,6 @@ Material:
     IGNOREPROJECTOR: true
     RenderType: Transparent
   disabledShaderPasses: []
-  m_LockedProperties: 
   m_SavedProperties:
     serializedVersion: 3
     m_TexEnvs:
@@ -60,7 +50,6 @@ Material:
         m_Texture: {fileID: 0}
         m_Scale: {x: 1, y: 1}
         m_Offset: {x: 0, y: 0}
-    m_Ints: []
     m_Floats:
     - PixelSnap: 0
     - _BlendAmount: 0
@@ -73,14 +62,11 @@ Material:
     - _DstBlend: 10
     - _EmissionPower: 1
     - _EnableExternalAlpha: 0
-    - _Fill: 0
     - _GlossMapScale: 1
     - _Glossiness: 0.5
     - _Hue: 0
-    - _LightAffectsAdditive: 0
     - _Metallic: 0
     - _OutlineMipLevel: 0
-    - _OutlineOpaqueAlpha: 1
     - _OutlineReferenceTexWidth: 1024
     - _OutlineSmoothness: 1
     - _OutlineWidth: 3
@@ -92,17 +78,12 @@ Material:
     - _StencilComp: 8
     - _StencilRef: 1
     - _ThresholdEnd: 0.25
-    - _TintBlack: 0
     - _Use8Neighbourhood: 1
-    - _UseScreenSpaceOutlineWidth: 0
     - _ZWrite: 0
     m_Colors:
-    - _Black: {r: 0, g: 0, b: 0, a: 0}
     - _Color: {r: 1, g: 1, b: 1, a: 1}
     - _EmissionColor: {r: 1, g: 1, b: 1, a: 1}
     - _FixedNormal: {r: 0, g: 0, b: 1, a: 1}
     - _OutlineColor: {r: 1, g: 1, b: 0, a: 1}
     - _OverlayColor: {r: 0, g: 0, b: 0, a: 0}
     - _RimColor: {r: 1, g: 1, b: 1, a: 1}
-  m_BuildTextureStacks: []
-  m_AllowLocking: 1