use msbuild with .net core 1.0 rtm deps

Author: enricosada

src/fsharp/FSharp.Compiler.Service.ProjectCracker.netcore/NuGet.Config

@@ -2,5 +2,7 @@
 <configuration>
   <packageSources>
     <add key="fsharp-netcore-preview2" value="https://www.myget.org/F/fsharp-netcoresdk-preview2-betatest/api/v3/index.json" />
+    <!-- MSBuild -->
+    <add key="dotnet-buildtools" value="https://dotnet.myget.org/F/dotnet-buildtools/api/v3/index.json" />
   </packageSources>
 </configuration>

src/fsharp/FSharp.Compiler.Service.ProjectCracker.netcore/project.json

@@ -3,7 +3,7 @@
   "title": "FSharp.Compiler.Service.ProjectCracker",
   "authors": [
     "Microsoft Corporation",
-    "Robin Neatherway",
+    "Robin Neatherway"
   ],
   "copyright": "",
   "description": "Adds F# project cracking capabilities.",
@@ -15,7 +15,7 @@
     "tags": [
       "F# fsharp msbuild editor"
     ],
-    "releaseNotes": "",
+    "releaseNotes": ""
   },
   "buildOptions": {
     "debugType": "portable",
@@ -26,38 +26,38 @@
         "../FSharp.Compiler.Service.ProjectCrackerTool/ProjectCrackerOptions.fs",
         "../FSharp.Compiler.Service.ProjectCrackerTool/ProjectCrackerTool.fs",
         "ProjectCracker.fs",
-        "Program.fs",
-      ],
+        "Program.fs"
+      ]
     },
     "define": [
       "DOTNETCORE",
-      "TRACE",
+      "TRACE"
     ],
     "nowarn": [
       "44",
-      "2003",
+      "2003"
     ],
     "xmlDoc": true,
     "delaySign": true,
     "warningsAsErrors": true,
     "additionalArguments": [
       "--fullpaths",
       "--flaterrors",
-      "--warnon:1182",
-    ],
+      "--warnon:1182"
+    ]
   },
   "dependencies": {
     "Microsoft.NETCore.App": {
       "type": "platform",
       "version": "1.0.0"
     },
-    "Microsoft.Build": "0.1.0-preview-*",
-    "Microsoft.Build.Framework": "0.1.0-preview-*",
-    "Microsoft.Build.Tasks.Core": "0.1.0-preview-*",
-    "Microsoft.Build.Utilities.Core": "0.1.0-preview-*",
-    "System.Runtime.Serialization.Json": "4.0.2-rc2-*",
-    "Microsoft.FSharp.Core.netcore": "1.0.0-alpha-160509",
-    "FSharp.Compiler.Service.netcore": "1.0.0-alpha-*",
+    "Microsoft.Build": "0.1.0-preview-00028-*",
+    "Microsoft.Build.Framework": "0.1.0-preview-00028-*",
+    "Microsoft.Build.Tasks.Core": "0.1.0-preview-00028-*",
+    "Microsoft.Build.Utilities.Core": "0.1.0-preview-00028-*",
+    "System.Runtime.Serialization.Json": "4.0.2",
+    "Microsoft.FSharp.Core.netcore": "1.0.0-alpha-*",
+    "FSharp.Compiler.Service.netcore": "1.0.0-alpha-*"
   },
   "tools": {
     "dotnet-compile-fsc": {