Updated to VSSDK 12

Author: parnic

OpenFileInSolution.csproj

@@ -50,9 +50,8 @@
       <HintPath>packages\VSSDK.DTE.7.0.4\lib\net20\envdte.dll</HintPath>
     </Reference>
     <Reference Include="Microsoft.CSharp" />
-    <Reference Include="Microsoft.VisualStudio.GraphModel, Version=11.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>packages\VSSDK.GraphModel.11.0.4\lib\net45\Microsoft.VisualStudio.GraphModel.dll</HintPath>
-      <Private>True</Private>
+    <Reference Include="Microsoft.VisualStudio.GraphModel, Version=12.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <HintPath>packages\VSSDK.GraphModel.12.0.4\lib\net45\Microsoft.VisualStudio.GraphModel.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="Microsoft.VisualStudio.OLE.Interop, Version=7.1.40304.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">

packages.config

@@ -1,10 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="VSSDK.DTE" version="7.0.4" targetFramework="net45" />
-  <package id="VSSDK.GraphModel" version="11.0.4" targetFramework="net45" />
+  <package id="VSSDK.GraphModel" version="12.0.4" targetFramework="net45" />
   <package id="VSSDK.IDE" version="7.0.4" targetFramework="net45" />
   <package id="VSSDK.IDE.10" version="10.0.4" targetFramework="net45" />
   <package id="VSSDK.IDE.11" version="11.0.4" targetFramework="net45" />
+  <package id="VSSDK.IDE.12" version="12.0.4" targetFramework="net45" />
   <package id="VSSDK.IDE.8" version="8.0.4" targetFramework="net45" />
   <package id="VSSDK.IDE.9" version="9.0.4" targetFramework="net45" />
   <package id="VSSDK.OLE.Interop" version="7.0.4" targetFramework="net45" />

source.extension.vsixmanifest

@@ -20,5 +20,6 @@
   </Assets>
   <Prerequisites>
     <Prerequisite Id="Microsoft.VisualStudio.ComponentGroup.VisualStudioExtension.Prerequisites" Version="[15.0.26208.0,16.0)" DisplayName="Visual Studio extension development prerequisites" />
+    <Prerequisite Id="Microsoft.VisualStudio.Component.CoreEditor" Version="[15.0.26208.0,16.0)" DisplayName="Visual Studio core editor" />
   </Prerequisites>
 </PackageManifest>