Update dev NuGet server to latest version for Visual Studio 2015 compatibility

Daniel15 · Daniel15 · commit 7a5b62bb0f93 · 2015-02-27T23:07:05.000-08:00
diff --git a/site/packages b/site/packages
@@ -1 +1 @@
-Subproject commit 960c39412a7b819f2ef2d5584411531aebb967ac
+Subproject commit 9f58177a6ea8712b10416a4fa50df6a5d7d7fb3a
