Added components to the face to handle generic polygons.
(compiled with .net and gcc)
This commit includes the following files:
vcg/complex/trimesh/base.h
Added deallocation of polygon data in the destructor
vcg/complex/trimesh/allocate.h
generalization from 3 to VN() vertices
vcg/complex/trimesh/update/topology.h
generalization from 3 to VN() vertices
vcg/complex/trimesh/update/flags.h
generalization from 3 to VN() vertices
vcg/simplex/face/pos.h
generalization from 3 to VN() vertices
vcg/simplex/faceplus/base.h
Added the method VN() to query the number of vertices
of the polygon (deafult 3) and methods Prev and Next
vcg/simplex/faceplus/component.h
added Alloc and Dealloc calls along the hierarchies