high order smoother class added : high order meshes are guaranteed to be
valid : some elements are "un-curved" in order to ensure good value of
the distorsion mapping. P2 triangle quality estimate is robust

- fixed MED node ordering
- polished 64 bit Cocoa Mac OS X FLTK version
- updated copyright

FIXME: please remove dependencies to Geo/ code in Numeric/ !

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make divide & conquer thread-safe by encapsulating everything into the DocRecord class

- moved GUI to FlGui + added experimental QGui to test Qt

- fixed most MSVC and gcc compiler warnings

- converted some remaining tabs to whitespace (that's why the patch is
  so large; please try to remember to indent with 2 spaces and not
  tabs when you commit stuff to CVS)

- merged modified patch from Konstantinos Poulios to allow saving
  physical/partition as element tags in mesh formats that don't
  support them natively

- fix bb computation to avoid model jumping around when adding points in z=0 plane
- pass interpol matrices as ref

   1) this removes the asymmetry in all the routines involving mesh
      elements associated with points

   2) it makes it possible to use point-based datasets in the
      model-based post-processing module

  **********************************************************
    PLEASE TEST --- ESPECIALLY THE INPUT/OUTPUT ROUTINES!
  **********************************************************

* made GModel::getEntities() more efficient and generalized its use

* more work on gmodel post-pro
* small cleanups in divide and conquer: reduce memory by removing unused
  voronoi, fix potential crashes in meshGFace, introduce basic class dealing
  with allocations to avoid messy malloc/free

new option to compute char lengths from curvature + removed most unused mesh options

curvature control is ok
divide and conquer algo has been cleaned up

reduce POINT memory footprint (remove all unused stuff!)

bidir db: phase 3 -- move all the old geo stuff into Geo/

bidi db: phase 2 -- continued