Changes

=== programme Programme de l'atelier ===

Versions:* [http://werkstatt-lastenrad.de/images/7/7d/Gantt_fr_long-andre_lyx-pdf.pdf version originale/allemande]: 70-75 h* [https://fixme.ch/w/images/e/e3/Gantt-v3_fr_long-andre_lyx-pdf.pdf version adaptée]: 5 h (session préalable) + 30 h