WIP on MD3.1 update
copy all required MonoDevelop assemblies to a single directory and reference them from there
Add missing NRefactory references.
Get boonityscript addins compiling against MD3.
Begin backfilling functionality in boo addin.
Fixup MD references.
Flesh out PathedDocument implementation.
Inject location and region into generated ast types by abusing annotations.
Finish hooking up PathedDocument.
Comment this out for now.
Add utility function to get icon name as string.
Begin adding items to root completions list.
Cleanup dead and debug code.
Finish implementing lookup for globally visible symbols.
Enable more namespace and type completions.
Don't track property accessors.
Implement property visitor.
Use MD stock icon constants.
Implement event visitor.
Implement delegate visitor.