- SVG export
- more work on new geo database

Changed default font sizes to 13/16 (fltk/opengl). On recent monitors with
huge resolutions, 12/14 is really small

fix typo

modified patch from philip kelleners (mostly for irix)

typo

- add compatibility syntax for getdp (string~{fexpr})
- add possibility to write/append to files with Printf

merging offscreen rendering from branch

make mouse selection mode a regular option (for Ruth)

fixed compil of non-interactive version

- fixed .msh save of negative volume 2nd order hexas

fix info msg

cleanup