use same tolerance in mesh extrusion as in geometry ; if this tol is too large, we should introduce another option


git-svn-id: https://geuz.org/svn/gmsh/trunk@20133 59c8cabf-10d6-4a28-b43f-3936b85956c4
git-svn-id: https://geuz.org/svn/gmsh/trunk@20134 59c8cabf-10d6-4a28-b43f-3936b85956c4
ONELAB2: use onelabGroup from onelab2

git-svn-id: https://geuz.org/svn/gmsh/trunk@20135 59c8cabf-10d6-4a28-b43f-3936b85956c4
ONELAB2: add missing files

git-svn-id: https://geuz.org/svn/gmsh/trunk@20136 59c8cabf-10d6-4a28-b43f-3936b85956c4