Merge branch 'hackweek2017' of https://github.com/stramit/MaterialGraph into hackweek2017

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MaterialGraphProject/Assets/UnityShaderEditor/Editor/Templates/tesselationSubshader.template

+SubShader 
+{
+${Tags}
+${Blending}
+${Culling}
+${ZTest}
+${ZWrite}
+
+	LOD ${LOD}
+	
+	CGPROGRAM
+	#include "Tessellation.cginc"
+	#pragma target 4.6
+	#pragma surface surf ${LightingFunctionName} ${VertexShaderDecl} vertex:Displacement tessellate:tessEdge tessphong:_Phong
+	#pragma glsl
+	#pragma debug
+
+	
+	//Tessellation Edge Function
+float4 tessEdge(appdata v0, appdata v1, appdata v2)
+{
+	float quality = 20-(_Subdivision * 2);
+	return UnityEdgeLengthBasedTess(v0.vertex, v1.vertex, v2.vertex, quality);
+}
+
+//Tessellation Vertex Function
+void Displacement (inout appdata v)
+{
+	float d = tex2Dlod(_DisplacementTex, float4(v.texcoord.xy * (_DisplacementTex_ST.xy * float2(_WeaveScale*25, _WeaveScale*25)) + _DisplacementTex_ST.zw, 0, 0)).r * _Displacement*0.1;
+	v.vertex.xyz += v.normal * (d * 0.5);
+}
+
+${ShaderFunctions}
+${ShaderPropertyUsages}
+
+	struct Input 
+	{
+${ShaderInputs}
+	};
+
+	void vert (inout appdata_full v, out Input o)
+	{
+		UNITY_INITIALIZE_OUTPUT(Input,o);
+${VertexShaderBody}
+	}
+  
+	void surf (Input IN, inout ${SurfaceOutputStructureName} o) 
+	{
+${PixelShaderBody}
+	}
+	ENDCG
+}

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