Add SlurmDbdAddr and SlurmDbdPort configuration parameters.

    sbatch commands.

    increased from 64KB (16-bit size field) to 4GB (32-bit size field).

checkpoint as required, still need to perform actual checkpoint 
operation

job_step_create_response_msg_t, and slurm_free_job_step_create_response_msg()
out of the SLURM API and hide them in the slurm protocol code.

Users will use the step context and step launch functions instead.

fix to not print an error is the timeout is being increased by the forwarding logic instead of the user.  tests agains the original timeout instead of the pumped up timeout for the underlying layers in the tree it has to go to.

removed convert_to_kilo replaces with convert_num_unit which will only convert the number in bluegene mode.

Required scontrol to use helper library.

statically linked.

g_slurm_auth_get_uid(). The original code was resulting in the
slaunch command having two different symbols g_context for the 
module slurm_auth.c. Some functions would use one symbol and 
other functions would use the other symbol resulting in extreme 
badness (zero pointers and seg faults).

altered the resource allocation and job_step_create_response structures.  Also altered the step_layout structure

    the code)

updated return codes from slurm_send_recv_rc_msg_only_one and slurm_send_recv_contoller_rc_msg to either 0 or -1 and added error checking to api/signal.c

added some bgl specs back into the job_desc_msg_t so lcrm can use bgl specs for job creation.  Also changed all slurm_auth_cred's to auth_cred instead of just cred.

to spawned tasks (based upon work by Daniel Christians, HP).

Modify set_span function to take an optional desired fanout parameter.