orientation bug in extrusion

- make it easier to build universal binaries on Mac
- remove unused arg in transform functions (an prepare the terrain for periodic meshes)

better text in warning dialog when appending string to non-.geo file

polish

- print num vert+elm after each generation
- reork tutorial a bit

displays nowadays often have more than 1024 pixels

cleaned last gcc warnings

tagging gmsh_2_0_0

small things

- added warning dialog before attempting to append a scripting
command to a non-geometry file

- fixed mean plane computation for periodic curves

- added headers + ramn indent on Attractor files

enhancement of gmsh Surfaces

JFR

fix shift/reduce conflict in parser (had to slightly modify embedding syntax)

 more work to get universal libs and binaries on os x: use libtool
instead of ar

make depend

corrected some bugs in 2d mesher & occ interface

- temporary fix for creation of second order vertices on periodic
  curves and periodic surfaces

- speedup 2nd order vertex creation

- never create MFaceVertices if we don't know the parametric
  coordinates (this will screw up the 2nd order algo!): create
  MVertices instead

- fixed u,v coords of vertices after elliptic smoother in
  meshGFaceTransfinite

- added "-format msh1" and "-format msh2" shortcuts to quickly
  select the version of the msh format from the command line +
  added "med" and "cgns" formats

- moved gui guidelines in separate file

better configure for MED

added MED export capability (merci Pascale!!)

- using quads to draw 2nd order elements was a bad idea (they can be
non-plane, so the normals computed for lighting did not always look
nice). It's better to just split each quad into 2 triangles.

- import THEM in ParseString

- subclassing higher order vertices is not a good idea--it makes the
identification hard in the I/O layer. So let's just store a char for
the order like we did in the old versions

- fixed license.texi and in License.cpp

- removed unused GEntity::inClosure()

fix logic + crashes w/ bgmesh on file

- implemented all missing 2nd order representations
- removed unused member functions in GFace + cleaned up GFace::point

- nicer display of second order elements (don't draw internal edges)
- nicer display of second order vertices (color like in 1.65)

added some debug code

- save physicals labels when saving unrolled geometries
- fixed crash in unrolled geo save (discrete points)
- Delete Physicals now also deletes the physicals in GModel
- removed unused rules and terminals in parser
- put at least one mid-point when meshing non-straight lines
  in OCC: this fixes most of the trivial 2d meshing problems