Removed the -q option in initial mesh generation (generates meshes that do not respect size field)

new "-open" and "-merge" command line args to select how to open/merge the files on the command line

No commit message

   -camera               Use camera mode view
   -stereo               OpenGL quad-buffered stereo rendering

Major work on GUI : removed much-hated "menu window" & merged onelab tree in graphic window. Gmsh now requires FLTK 1.3.

(Additional changes: fixed crash when de-minimizing opengl window on mac os ; refactored Msg::StatusBar)

No commit message

No commit message

if argc/argv is not provided, don't load option files (this is what is usually expected when using Gmsh as a lib)