o fix bug where host state of nodeid 0 was not being updated.

options to avoid overwriting the config file name.

 o old log_init() function should only be called one time, as it now dynamically
   initializes the log mutex.

 o attempt to find absolute path to remote_argv[0] on local node

added preliminary line support to circular_buffer

Add support for daemonizing slurmctld with -d option.

DOWN node to stay that way even after registration.

fixed daemoninze fcntl include
added errcodes