Revert topic 'update-kwsys'

It will be revised and restored.
Merge topic 'update-kwsys' into next

83142f3f Revert topic 'update-kwsys'
KWSys 2014-09-08 (fb77be5a)

Extract upstream KWSys using the following shell commands.

$ git archive --prefix=upstream-kwsys/ fb77be5a | tar x
$ git shortlog --no-merges --abbrev=8 --format='%h %s' 32023afd..fb77be5a
Brad King (1):
      80e852f6 kwsysPlatformTests: Use if(DEFINED) to simplify conditions

Clinton Stimpson (2):
      93eb1a1f SystemTools: Improve RelativePath() to handle ./ ../ and //
      fb77be5a SystemTools: Fix GetCasePathName to handle wildcards on Windows.

Change-Id: Ieff09366e214055be0b62eae42fc64f3bb3b6e76
Merge branch 'upstream-kwsys' into update-kwsys
Merge topic 'update-kwsys' into next

daab3b3b Merge branch 'upstream-kwsys' into update-kwsys
92b582a6 KWSys 2014-09-08 (fb77be5a)