The source project of this merge request has been removed.
Rename the Particle classes.
Rename the base class vtkm::Particle to vtkm::ParticleBase, and vtkm::Massless to vtkm::Particle. (Also need to get rid of the virtual methods)
Rename the base class vtkm::Particle to vtkm::ParticleBase, and vtkm::Massless to vtkm::Particle. (Also need to get rid of the virtual methods)