KWSys 2014-09-25 (29ffaf43)

Extract upstream KWSys using the following shell commands.

$ git archive --prefix=upstream-kwsys/ 29ffaf43 | tar x
$ git shortlog --no-merges --abbrev=8 --format='%h %s' fb77be5a..29ffaf43
Brad King (1):
      29ffaf43 Suppress deprecation warnings for GetVersionEx

Sean McBride (1):
      6aa1f800 SystemInformation: Fix clang -Wtautological-pointer-compare warning

Change-Id: I29f3dcf2a32e1b80bade233987eb091038aace65