Merge pull request #683 from isolver/master

Keyboard Key Mapping 'DONE' for OS X and Windows
Merge pull request #684 from isolver/master

BF: iohub KB device on OS X was failing unless python 2.7.8 was used
ENH: Mac standalone now packaging cv2, libsoundcard, psutil

Actually the copy of opencv on my dev machine isn't then importing
but it packages with no errors! psutil and libsoundcard/file are
all working fine.
DEP: psutil 2.x is now expected depend.

for all OS's