KWSys 2013-11-21 (1010d0e3)

Extract upstream KWSys using the following shell commands.

$ git archive --prefix=upstream-kwsys/ 1010d0e3 | tar x
$ git shortlog --no-merges --abbrev=8 --format='%h %s' 6eab64c3..1010d0e3
Brad King (2):
      ace1364c Encoding: Remove unused include
      1010d0e3 SystemTools: Avoid unused function warnings

Clinton Stimpson (4):
      0c2ff1f7 Encoding: Add Encoding module.
      8abbad82 FStream: Add FStream module.
      0a98de97 KWSys: Port to use wide character Windows APIs throughout.
      2b0c683d Encoding: Default to ANSI code page on Windows

David Cole (1):
      f67bb2ba SystemTools: Move typedef mode_t inside the SystemTools class

Sean McBride (1):
      a40b9263 SystemInformation: Work around gcc -Wliteral-suffix warning

Change-Id: Ie52df972331cc7377c236d410ead86024e9d15ab
Merge branch 'upstream-kwsys' into update-kwsys
bootstrap: Add KWSys Encoding and FStream

Run the KWSYS_STL_HAS_WSTRING platform test and configure the result.
Configure the Encoding and FStream header files and build the sources.
On Windows, build EncodingC.c with KWSYS_ENCODING_DEFAULT_CODEPAGE=CP_ACP.
Merge topic 'update-kwsys' into next

2ba2c43 bootstrap: Add KWSys Encoding and FStream
f668112 Merge branch 'upstream-kwsys' into update-kwsys
704ab3d KWSys 2013-11-21 (1010d0e3)