If you revoke a credential that has not been used a credential_state object needs to be created

 o addition of nprocs and nnodes to launch tasks messages

Also fix purge of defunct job steps.

its place.
Clean up slurmctld termination on fatal events.

REQUEST_JOB_INFO now uses the job_info_request_msg_t instead of last_update so that in the future I will be able to request information for just one job.
Fixed a lot of bugs in the REQUEST_JOB_STEP_INFO message stuff.

Added support for combined allocate resources and run job step API.

slurmd now properly exits io threads on task exit and sends a task exit message back to srun

slurmd should also now accept job_credential_revoke messages, althought it doesn't currently process them

fixed launch_task_response msg
added slurm_protocol and slurmd errnos to slurm_errno.h
added print_slurm_addr to src/common/slurm_protocol_api.c
added print_slurm_credential to src/common/slurm_protocol_util.c
cleaned up debug printing and error reporting for src/slurmd/shmem_struct.c
more cleanup
etc

added a few comments and slurm_protocol_errno entries.
More little code cleanup

RPC is used to distinguish it from the SHUTDOWN RPC comming from scontrol.
It was added to deal with a race condition.

Addes slurm_shutdown RPC.

modified srun_emu.pl to follow new task launch design
updated port number in testsuite/slurm_unit/slurmd/task_launch-test.c

fixed unpackmem were 16 was passed as uint16_t *
added #define for credential signature length

A lot of little changes

changed credential.signature from a uint32_t to char[16]  128 signed sha1

script and environment go to file.

fixed big/little endian problem

Changed (removed, added, renamed) configuration parameters.

parameter.