Kitware Robot authored May 05, 2014 and Brad King committed May 06, 2014

Extract upstream KWSys using the following shell commands.

$ git archive --prefix=upstream-kwsys/ f3a36760 | tar x
$ git shortlog --no-merges --abbrev=8 --format='%h %s' 8b085635..f3a36760
Brad King (2):
      1979c02d hashtable: Poison operator= on internal node type
      f3a36760 SystemInformation: Include backtrace APIs whenever we use them

Change-Id: Ic90b29e4fbae139ab6c8bd7355661759153e0aa7