Adopt commit 0ab906e from master: Merge pull request #982 from bde/eventmanager_poll-doc
Adopt commit 0ab906e from master: Merge pull request #982 from bde/eventmanager_poll-doc

commit 0ab906e0c24873a84d6ecfd433ea63977e92847e
Merge: e01cf0e 7c16ecd
Author: Rohan Bhindwale <rbhindwale@bloomberg.net>
Date:   Thu Feb 9 13:54:07 2017 -0500

    Merge pull request #982 from bde/eventmanager_poll-doc

    Update btlso_defaulteventmanager_poll.h undefined behavior doc

commit 7c16ecd8064ad37eeeb75643b2300e75be9dba6e
Author: Henry Verschell <hverschell@bloomberg.net>
Date:   Thu Feb 9 10:20:20 2017 -0500

    Update btlso_defaulteventmanager_poll.h

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