- changed defs of HAVE_LIBELAN3 to HAVE_ELAN

   Elan3 and Elan4. Also allow old Elan3 module to work exactly
   the same as before.

   libelanctrl or libelan3

Send multiple SIGALRMs if needed and deal with possible abort of
a thread.

   waitpid() if there is an epilog or prolog defined)
 o Call a minimal daemonization routine in slurmd when forking a copy
   to handle a job request so that we reparent to init.

   state is less than running, or if session is still active.
   (avoid clearing step from shm otherwise. gnats:304)

   manager process.

   SIGKILL (This means job has been terminated)

debug3().

node registration message to itself.

munge data structures.

  contains the string that %J will expand to during totalview bulk
  launch.

   check was made, this could result in fwd_signal() calls piling up on
   eachother and not allowing multiple ^C's to terminate job. (gnats:299)

   into account that (cap->HighNode - cap->LowNode +1) may not equal nnodes.

 o change variable named "info" to "ai"

   The bits in the bitmap have a different meaning when the capability
   type is cyclic.

   distribution mode. This is more like what the Elan module does,
   and thus fixes gnats:298 - Elan initialization error.