Add setting to filter out zero-arg, non-void/unit methods

[GoogleCodeExporter]

Sometimes we are only interested in fields and properties, and the methods can 
clutter-up our watch-tree.

For completeness, we could add an option to filter out fields and properties as 
well.

Original issue reported on code.google.com by stephen....@gmail.com on 21 Jul 2013 at 10:07

• Blocked on: Add UI dialog for persistent management of settings #22