KWSys 2015-12-09 (cdcf4c47)

Extract upstream KWSys using the following shell commands.

$ git archive --prefix=upstream-kwsys/ cdcf4c47 | tar x
$ git shortlog --no-merges --abbrev=8 --format='%h %s' 6bfc1aef..cdcf4c47
Brad King (2):
      452b10d5 FundamentalType: Drop KWSYS_CAN_CONVERT_UI64_TO_DOUBLE macro
      cdcf4c47 Drop the CPU.h component of KWSys