OPM/dune-cornerpoint — pull request #45 by andlaus (2013-08-14 10:17:22+00:00)
Title: remove the PersistentContainer class

it is only needed for grid adaption and also not considered an
official interface by the (some?) dune developers:

http://lists.dune-project.org/pipermail/dune/2013-February/012208.html