GitLab

parallel3d now uses cell-data for passing arrays since they are more
like cells in vtk image data than points.

Using fortran order for grid since it matches VTK's until I have time to
implement corder Image Data for VTK.

Fixed mapping of Grid to vtkImageData. The grid values are cell-centered
hence must be treated as cell-data.

The brige currently demonstrates generating histogram.

Refactoring vtkInsituDataAdaptor API to support composite datasets.

Cleaning up MPI linking by adding a new interface library for MPI.