Tag libIGCM_v2.0_rc1
Complete changelog : http://forge.ipsl.jussieu.fr/libigcm/log/trunk?action=stop_on_copy&mode=stop_on_copy&rev=743&stop_rev=698&limit=100&verbose=on
Remaining steps towards libIGCM_2.0 : https://forge.ipsl.jussieu.fr/libigcm/roadmap