cmake: Update Sensable/CMakeLists.txt to find OpenHaptics dependencies

git-svn-id: svn://scm.gforge.inria.fr/svnroot/sofa/trunk@9689 b7f1a160-662a-0410-a6d8-bea165342f16
FIX: cmake - plugins build & run : InvertibleFVMForcefield, OptiTrackNatNet, Frame

git-svn-id: svn://scm.gforge.inria.fr/svnroot/sofa/trunk@9690 b7f1a160-662a-0410-a6d8-bea165342f16
cleaner MultiVec::realloc (fixing warnings with mouse manipulation)

git-svn-id: svn://scm.gforge.inria.fr/svnroot/sofa/trunk@9691 b7f1a160-662a-0410-a6d8-bea165342f16
fixing warnings

git-svn-id: svn://scm.gforge.inria.fr/svnroot/sofa/trunk@9692 b7f1a160-662a-0410-a6d8-bea165342f16
cmake: fixed switching between glut/freeglut

For freeglut on linux, you need to install
sudo apt-get install libxmu-dev libxi-dev


git-svn-id: svn://scm.gforge.inria.fr/svnroot/sofa/trunk@9693 b7f1a160-662a-0410-a6d8-bea165342f16