Fix code break caused by misordered merges.

Make all of FindUsagesContext async.

Unresolvable conflict not indicated when renaming identifier.

Fix failures to dispose PinnedRemotableDataScope

Move all expensive FAR work into the FAR engine, and remove from teh FAR window.

FindRefs 'preview' versus 'navigate to source location'.

Include RQNames in the property bag returned for definition items in FindAllReferences.

Move DefinitionItem closer to a pure data model.

Check that all parts of a pattern match, even if a client only wants information about the 'first match'.

Add option to allow users to specify how they woudl like properties to be implemented.