invalid dim count in the RPC treated as an unpack error instead of aborting slurmctld
 the default dim size was being loaded from slurmdb_setup_cluster_flags(), not 
 slurmdb_setup_cluster_dims()

    IDLE (in case the previous node state was DOWN).

added new flag HAVE_CRAY_EMULATION for marking objects with emulation instead of a real cray machine

    set the systems up_node_bitmap.