KWSys 2014-08-07 (4d526097)

Extract upstream KWSys using the following shell commands.

$ git archive --prefix=upstream-kwsys/ 4d526097 | tar x
$ git shortlog --no-merges --abbrev=8 --format='%h %s' e787837a..4d526097
Brad King (2):
      4791701a SystemTools: Remove ConvertWindowsCommandLineToUnixArguments method
      4d526097 Add assert() to quiet Clang scan-build warnings

Change-Id: I15e4ad710a8ad01f96761a89f2c1517f3c2aa835