polyg/polyh


git-svn-id: https://geuz.org/svn/gmsh/trunk@19242 59c8cabf-10d6-4a28-b43f-3936b85956c4
connected surfaces/regions


git-svn-id: https://geuz.org/svn/gmsh/trunk@19243 59c8cabf-10d6-4a28-b43f-3936b85956c4
fix vertex numbering


git-svn-id: https://geuz.org/svn/gmsh/trunk@19244 59c8cabf-10d6-4a28-b43f-3936b85956c4
levelset yarn


git-svn-id: https://geuz.org/svn/gmsh/trunk@19245 59c8cabf-10d6-4a28-b43f-3936b85956c4
thermic solver


git-svn-id: https://geuz.org/svn/gmsh/trunk@19246 59c8cabf-10d6-4a28-b43f-3936b85956c4