Fixed SOFA-EXTERNAL_METIS option for Linux and Windows (used in SofaSparseSolver project)

git-svn-id: svn://scm.gforge.inria.fr/svnroot/sofa/trunk@9983 b7f1a160-662a-0410-a6d8-bea165342f16
Solver: Add function in OdeSolver to compute the residual at the end of a newton iteration

git-svn-id: svn://scm.gforge.inria.fr/svnroot/sofa/trunk@9984 b7f1a160-662a-0410-a6d8-bea165342f16
Fix: CGAL library found on MacOS (at least when installed with macports)

git-svn-id: svn://scm.gforge.inria.fr/svnroot/sofa/trunk@9985 b7f1a160-662a-0410-a6d8-bea165342f16
fixed SOFA_HAVE_METIS macro definition

git-svn-id: svn://scm.gforge.inria.fr/svnroot/sofa/trunk@9986 b7f1a160-662a-0410-a6d8-bea165342f16
FIX: image plugin build on MacOS

git-svn-id: svn://scm.gforge.inria.fr/svnroot/sofa/trunk@9987 b7f1a160-662a-0410-a6d8-bea165342f16