++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
to be done in package RobExtremes
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

+ generate LM-Grids for ParetoFamily
+ write code so that it uses different (semi-equivariant) norms 
  in GEVFamily, GParetoFamily, GParetoFamilyMuUnknown
+ use .Call interface for kMAD   
