[examples...] added missing config.h include
* one of those "How did this ever compile?"
[examples...] compactify
use DUNE_STUFF_SSIZE_T instead of DUNE_PYMOR_SSIZE_T
use containers from dune-stuff
[la.container] updated to containers from dune-stuff
[core.bindings] began to update to containers from dune-stuff
* this is not finished yet!
[examples...bindings_generator] began to update
* this is not finished yet!
[examples.stationarylinear] added missing config.h include
[examples.stationarylinear] disable warnings of the bindings generator