[geometry][extension] adapted vincenty to new strategy structure
[geometry][extension] adapted selected to new strategy structure
[geometry][extension] Updated andoyer adaption (comments, removed redundant namespace, fixed default_strategy template parameter)
[geometry][extension] Updated andoyer/vincenty adaption (added radius_type for distance_cross_track)
[geometry][extension] Commented concept-check for MSVC, adapted (partially) distance_cross_track
[geometry][extension] fixed distance cross_track test
[geometry][extension] adapted connect extension to new structure