Bug 1745

This reverts commit 3f91f4b2.

and test21.* updated to use them.

Bug 1745

Add parrtition information to sshare output

The regression tests were looking for TrackWCKey=YES, but the
  current output value is numeric (TrackWCKey=1). Correcting
  this results in test22.1 failing. In fact, the test has not
  run since the format of TrackWCKey changed.

logic was generating invalid size unpack error

Correct logic for when pack/nopack distribution options are specified
  in srun

Bug 1746

the user is none the wiser if they are working off old data.

ESLURM_DB_CONNECTION when in error.

code.

One dead assignment and one uniniitalized variable

Conflicts:
	src/slurmctld/step_mgr.c

Add more logging
Remove API/library logic: The API does not exist today and the
  command line interfaces are in flux, so just clean up the code
  while we debug.
Updates for new Cray interfaces (there have been major changes
  in past couple of months).