Modified for version 3.0.1 of IMAS and debugged copy_itm_ids and vice versa. Tested for read and write to IMAS structure with chease_namelist or chease_input.xml as input, debugged wrtbin.f90 for J283 but to be checked if intent conserved

git-svn-id: https://crppsvn.epfl.ch/repos/CHEASE/chease/trunk@910 3dd3ed53-37eb-0310-bd38-d4dde428d79a