Add sweep and prune, tested and it works.

git-svn-id: svn://scm.gforge.inria.fr/svnroot/sofa/trunk@9312 b7f1a160-662a-0410-a6d8-bea165342f16
cmake: option SIMULATION_GRAPH_BGL : fix BostKernel projects + BGL dependencies

git-svn-id: svn://scm.gforge.inria.fr/svnroot/sofa/trunk@9313 b7f1a160-662a-0410-a6d8-bea165342f16
up

git-svn-id: svn://scm.gforge.inria.fr/svnroot/sofa/trunk@9314 b7f1a160-662a-0410-a6d8-bea165342f16
FIX: [SparseLDLSolver] compilation

git-svn-id: svn://scm.gforge.inria.fr/svnroot/sofa/trunk@9315 b7f1a160-662a-0410-a6d8-bea165342f16
cmake: fix g++4.6 build in release mode

git-svn-id: svn://scm.gforge.inria.fr/svnroot/sofa/trunk@9316 b7f1a160-662a-0410-a6d8-bea165342f16
cmake: default CMAKE_BUILD_MODE set to Release

git-svn-id: svn://scm.gforge.inria.fr/svnroot/sofa/trunk@9317 b7f1a160-662a-0410-a6d8-bea165342f16