Merge branch 'master' of /home/jund/CGoGN
* 'master' of /home/jund/CGoGN: adding mergeFaces on map3 Resolving bug in MarkerForTraversor and compilation pb for importMoka and exportPov import Tet : option to invert, correction of mergeFace gmap2, removing extra createHexa in polyhedron3D removing unnecessary check() in subdivision3 correcting embedding error for edge orbit on splitFace on 3gmap, replacing name functions in gmap1 to use cycle using traversor for exportPov, correction of volumic function (slicing and subdivision) small modification function sliceConvexVolumes problem on polyhedronView starting import function for Moka and improving export for povray adding slicing function for volume and conversion hexahedrongrid to tetrahedron mesh add export obj, function to slice a volume with a plane, extrusion of surfaces to volumes from lionel