added support for updated fields in expandable links for cybox Objects (now showing object type instead of attempting to show a nonexistent title, which is not available on Objects)

supports issue #35
now adding support for cybox:Properties to have updated contents in their expandable links

supports issue #35
updated Observables values used in expandable links to just show "Object" when an object is nested.  previously this was using much more complicated logic that was never being used.

supports issue #35