Bump package version

MaterialGraphProject/Assets/UnityShaderEditor/Editor/Importers/ShaderGraphImporter.cs

 using UnityEditor.Experimental.AssetImporters;
 using UnityEditor.ShaderGraph.Drawing;
 
-[ScriptedImporter(10, ShaderGraphImporter.ShaderGraphExtension)]
+[ScriptedImporter(11, ShaderGraphImporter.ShaderGraphExtension)]
 public class ShaderGraphImporter : ScriptedImporter
 {
     public const string ShaderGraphExtension = "shadergraph";
         var text = GetShaderText<MaterialGraph>(ctx.assetPath, out configuredTextures);
         if (text == null)
             text = errorShader;
-        
+
         var name = Path.GetFileNameWithoutExtension(ctx.assetPath);
         string shaderName = string.Format("graphs/{0}", name);
         text = text.Replace("Hidden/GraphErrorShader2", shaderName);
         }
         RegisterShaders(importedAssets);
     }
-}
+}

MaterialGraphProject/Assets/UnityShaderEditor/package.json

 {
     "name": "com.unity.shadergraph",
     "description": "Shader Graph",
-    "version": "0.1.14",
+    "version": "0.1.15",
     "unity": "2018.1",
     "dependencies": {
     }