Dennis Gläser

From duplicate #234: The vtk-hdf format has an offset mechanism with which to define the values per time step. This allows to reuse data from older time steps in case...

Not super critical for a first release, removing the milestone...

We probably also don't need `TransformedField`. In general, this header could use some cleanup...

Edit: with #199 we modified the exit code computation in the regression test script. It used to take the `max` of all return codes, however, it seemed that when reading...