Merge pull request #962 from Unity-Technologies/shadergraph

Add Shader Graph repository as a submodule

.gitmodules

 	path = PostProcessing
 	url = https://github.com/Unity-Technologies/PostProcessing
 	branch = v2
+[submodule "ShaderGraph"]
+	path = ShaderGraph
+	url = git@github.com:Unity-Technologies/ShaderGraph.git

ScriptableRenderPipeline/Core/package.json

 {
     "name": "com.unity.render-pipelines.core",
     "description": "Core library for Unity render pipelines.",
-    "version": "0.1.29",
+    "version": "0.1.30",
     "unity": "2018.1",
     "dependencies": {
         "com.unity.postprocessing": "0.1.8"

ScriptableRenderPipeline/HDRenderPipeline/package.json

 {
     "name": "com.unity.render-pipelines.high-definition",
     "description": "HD Render Pipeline for Unity.",
-    "version": "0.1.29",
+    "version": "0.1.30",
-        "com.unity.render-pipelines.core": "0.1.29"
+        "com.unity.render-pipelines.core": "0.1.30"
     }
 }

ScriptableRenderPipeline/LightweightPipeline/package.json

 {
     "name": "com.unity.render-pipelines.lightweight",
     "description": "Lightweight Render Pipeline for Unity.",
-    "version": "0.1.29",
+    "version": "0.1.30",
-        "com.unity.render-pipelines.core": "0.1.29"
+        "com.unity.render-pipelines.core": "0.1.30"
     }
 }

ScriptableRenderPipeline/master-package.json

 {
-    "version": "0.1.29",
+    "version": "0.1.30",
     "unity": "2018.1",
     "dependencies": {
         "com.unity.postprocessing": "0.1.8"

ShaderGraph.meta

+fileFormatVersion: 2
+guid: c4d536ecfc4cf3c4999d7a81e2d718e6
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: