SBGP, BCOL: add missing "show_help.h" includes.

git-svn-id: https://svn.open-mpi.org/svn/ompi/trunk@28163 63e3feb5-37d5-0310-a306-e8a459e722fe
Enumerator updates based on discussions with Jeff.

 - We should only allow one string per enumeration value. We may add a check
   later to enforce this at a later time.
 - Print a single enumeration value per line in parsable output.
Merge branch 'master' into mpit
Clean up one more header