Christian Engwer authored Nov 05, 2016 and Ansgar Burchardt committed Nov 18, 2016

remove genericgeometry subdirectory from dune-geometry

The removal of the `genericgeometry` subdirectory in dune-geometry will require some minor changes to dune-grid. This merge request collects those and should be merged once the corresponding branch in dune-geometry is merged, too.

See merge request !120