Huge refactoring for Vande 4.0.7.  All code which was marked as legacy is now removed, and existing classes may have been modified to meet the needs of software that depends on Vande.

Need to complete integration tests out to the current UI graphs in Graphene, and rebuild the unit tests for this module.
Mostly changes to Eclipse generated helper methods, things we don't want to have to write ourselves.

A small amount of parameter tuning to PropertyFinder/PropertyGraphBuilder
Updates to reflect the ongoing refactoring of property and interaction graph builders.  Use this in conjunction with similarly timestamped versions of Graphene.
Updates to 4.0.7 towards the federated graph search
Removal of the finder+graph builder towards the less convoluted version that just uses a custom graph builder, per data source.
Began efforts towards a pluggable federated graph service.
Removed old interaction code in favor of existing event code.