CGoGNExtlib : some small changes in AttributeHandlers.

git-svn-id: svn://scm.gforge.inria.fr/svnroot/sofa/trunk@11340 b7f1a160-662a-0410-a6d8-bea165342f16
small documentation changes

git-svn-id: svn://scm.gforge.inria.fr/svnroot/sofa/trunk@11341 b7f1a160-662a-0410-a6d8-bea165342f16
push 7602ffc..3d80e51

* commit 3d80e51afeec53b2190f71c086125af259d93592
ADD: Hexahedra traction test with QuadPressureForceField and linear elasticity material.

   9 files changed, 847 insertions(+), 32 deletions(-)



git-svn-id: svn://scm.gforge.inria.fr/svnroot/sofa/trunk@11342 b7f1a160-662a-0410-a6d8-bea165342f16