Fix System.Object not found on View creation.

http://www.lyalin.com/2014/04/25/the-type-system-object-is-defined-in-an-assembly-that-is-not-reference-mvc-pcl-issue/
Force result on RefSourceLinkProvider.Init()

We'll redesign this to query at most once an hour. For now I'm just
going to force the result.
Remove JSON extensions.

We'll build the treeview with a transformer.