dump all dag stats on USR2
move format_dagid to dag_network from network_interface
refactor dump_dio out, so that it can be used later on
provide access to dag rank and name for debugging
initialize rest of dag parameters
make documentation index more self-organizing
make sure that initial best rank is set to my rank, if rank is set
any dagid mentioned on the command line is set to active
initialize sequence to zero, but if rank is set, set it to 1
changed debugging level of received self packet