Speed up variable creation/retrieval by replacing 'List_T *Symbols_L'
by 'Tree_T *Symbols_T'.

cleanup vonmises (a bit)

Relecture, suite et fin

1.44

Avoid very long lines

Added support for PNG output

better explanation

New option to specify the interactive rotation center (default is now
the center of gravity, instead of 0,0,0)

Added Layer option for Extrude Point

Fix crash due to identical vertex pointers in Mesh.Points and
Mesh.Vertices

typos

Remove accents + pretty print

announce GPL

Indented all source files using utils/gmshindent

Bump version number to 1.40

bump version number to 1.39

bump version to 1.37.0: system calls on Windows are now correctly implemented using the CreateProcess Windows API

Save more window positions + polish previous commit (restore defaults)

Major GUI overhaul. All options are now available in a single
window.

Update for 1.36