don't try to get polynomial space for pyramids!


git-svn-id: https://geuz.org/svn/gmsh/trunk@16638 59c8cabf-10d6-4a28-b43f-3936b85956c4
better info messages for fields with more components/nodes that can be displayed


git-svn-id: https://geuz.org/svn/gmsh/trunk@16639 59c8cabf-10d6-4a28-b43f-3936b85956c4