Adopt commit 68096f0 from master: Merge pull request #696 from bde/hversche-swap-doc
Adopt commit 68096f0 from master: Merge pull request #696 from bde/hversche-swap-doc

commit 68096f0a0d018e91da3afc2c4d782bfbcf1f7452
Merge: 7a4ab3b d152084
Author: Henry Verschell <hverschell@bloomberg.net>
Date:   Fri Sep 9 09:54:37 2016 -0400

    Merge pull request #696 from bde/hversche-swap-doc

    Update bslalg_swaputil.h

commit d1520846d71cd1d3faeefbcc12020db6265056b7
Author: Henry Verschell <hverschell@bloomberg.net>
Date:   Fri Sep 9 09:54:27 2016 -0400

    Update bslalg_swaputil.h

apaprocki/bde,bloomberg/bde,bloomberg/bde,che2/bde,bowlofstew/bde,apaprocki/bde,dharesign/bde,apaprocki/bde,che2/bde,bowlofstew/bde,dharesign/bde,bloomberg/bde,dharesign/bde,dharesign/bde,che2/bde,bloomberg/bde,apaprocki/bde,bowlofstew/bde,bowlofstew/bde,apaprocki/bde,bloomberg/bde,che2/bde