FIX: smooth engine, indices correction

git-svn-id: svn://scm.gforge.inria.fr/svnroot/sofa/trunk@11317 b7f1a160-662a-0410-a6d8-bea165342f16
CGoGNExtlib : some modifications for the new CombinatorialMapTopology class.

git-svn-id: svn://scm.gforge.inria.fr/svnroot/sofa/trunk@11318 b7f1a160-662a-0410-a6d8-bea165342f16
CGALPlugin ADD: output 1D cell data by label

git-svn-id: svn://scm.gforge.inria.fr/svnroot/sofa/trunk@11319 b7f1a160-662a-0410-a6d8-bea165342f16