update

git-svn-id: svn://scm.gforge.inria.fr/svnroot/sofa/trunk@9442 b7f1a160-662a-0410-a6d8-bea165342f16
CMAKE: trying to allow the user/application to disable external png/glew/eigen/... libs
The dependencies mechanism should not re-enable SOFA_EXTERNAL-HAVE_* flags by force
Also make sure TIXML_USE_STL flag is set before including tinyxml.h

git-svn-id: svn://scm.gforge.inria.fr/svnroot/sofa/trunk@9443 b7f1a160-662a-0410-a6d8-bea165342f16
FIX dependency: qt was needed



git-svn-id: svn://scm.gforge.inria.fr/svnroot/sofa/trunk@9444 b7f1a160-662a-0410-a6d8-bea165342f16
FIX: tinyxml cmake build + macx cmake build + warnings

git-svn-id: svn://scm.gforge.inria.fr/svnroot/sofa/trunk@9445 b7f1a160-662a-0410-a6d8-bea165342f16
work in progress

git-svn-id: svn://scm.gforge.inria.fr/svnroot/sofa/trunk@9446 b7f1a160-662a-0410-a6d8-bea165342f16
Flexible: minor fixes

git-svn-id: svn://scm.gforge.inria.fr/svnroot/sofa/trunk@9447 b7f1a160-662a-0410-a6d8-bea165342f16