cleaned up env code once again.  all env for jobs happens in slurmd/smgr.c setup for env is done within slurmd/mgr.c to new variable in slurmd_job_t *job ->envtp which is an env_t *.  All variables are setup there except for when srun runs the script instead of slurmd.  For the srun case things are the same as before.

Andy Riebs/HP.

tolerance, and request timeouts are needed.

entire process group. Used to initiate job checkpoint.

records is read off the net.

elements are freed.

files and directories for the old test for HAVE_AIX variable, which is
not handled by Make-rpm.mk.

set on execute line.

moved all setenv for a job into env.c common.  function setup_env() called from srun/srun.c and slurmd/mgr.c