Add VortexFinder2 and a plugins macro to the superbuild.
The VortexFinder2 ParaView plugin is now an optional build. Also, a macro has been added to transparently add additional plugins to the superbuild in the future.
The VortexFinder2 ParaView plugin is now an optional build. Also, a macro has been added to transparently add additional plugins to the superbuild in the future.