Merged routing native, developped by Yann Meurdesoif, LSCE, from ORCHIDEE_2_2 into the trunk. This includes following changesets on ORCHIDEE_2_2: 8227-8228, 8300, 8365-8367, 8394
Merge in the trunk done by Antoine Bierjon et Josefine Ghattas
See also ticket #978