dotnet-new template imports dnxcore50. Tests Green.

src/dotnet/commands/dotnet-new/CSharp_Console/project.json.pretemplate

@@ -10,6 +10,8 @@
     }
   },
   "frameworks": {
-    "netcoreapp1.0": {}
+    "netcoreapp1.0": {
+      "imports": "dnxcore50"
+    }
   }
 }

test/dotnet-new.Tests/GivenThatIWantANewCSApp.cs

@@ -67,4 +67,4 @@ namespace Microsoft.DotNet.Tests
             File.WriteAllText(projectJsonPath, projectJson + Environment.NewLine);
         }
     }
-}
+}

test/dotnet-new.Tests/project.json

@@ -25,4 +25,4 @@
     }
   },
   "testRunner": "xunit"
-}
+}