Update MVC version to 1.0.1

We're shipping a new patch of all MVC packages in 1.0.1. This bumps up the
version number of the MVC metapackage so that projects created with
`dotnet new` get the latest version.

Author: rynowak

src/dotnet/commands/dotnet-new/CSharp_Web/project.json.template

@@ -10,7 +10,7 @@
     "Microsoft.AspNetCore.Diagnostics": "1.0.0",
     "Microsoft.AspNetCore.Diagnostics.EntityFrameworkCore": "1.0.0",
     "Microsoft.AspNetCore.Identity.EntityFrameworkCore": "1.0.0",
-    "Microsoft.AspNetCore.Mvc": "1.0.0",
+    "Microsoft.AspNetCore.Mvc": "1.0.1",
     "Microsoft.AspNetCore.Razor.Tools": {
       "version": "1.0.0-preview2-final",
       "type": "build"