Fixes FS#FS#1649.

(cherry picked from commit 63256eeb)
Signed-off-by: Carsten Gräser <graeser@dune-project.org>

* update Makefiles and configure

[[Imported from SVN: r5643]]

add a centralized file to eventually hold all doxygen groups.  Put a group there for GeometryType and put GeometryType in it.  This fixes FlySpray issue 237

[[Imported from SVN: r4836]]