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Conflicts:
	include/Topology/generic/dartmarker.h
	include/Topology/map/map2.h
	src/Topology/map/map2.cpp

simplif collapseEdge

Conflicts:
	Apps/Examples/simpleGMap2.cpp

Conflicts:
	include/Algo/MovingObjects/particle_cell_2DandHalf.hpp

ajout exemple simpleGMap3, correction cutEdge g-cartes dim 1 2 3, ajout de fonctions sameVertex etc dans gmap3 et map3, debut correction unsewVolume embeddedmap3 (non validé)

simplif collapseEdge