[xmlunit/xmlunit] 21e674: Appveyor provides Windows CI for XMLUnit.NET now

[GitHub <no...@gi...>]

  Branch: refs/heads/master
  Home:   https://github.com/xmlunit/xmlunit
  Commit: 21e6744f4a64b7652de32758b87dd34cdd15cc91
      https://github.com/xmlunit/xmlunit/commit/21e6744f4a64b7652de32758b87dd34cdd15cc91
  Author: Stefan Bodewig <ste...@fr...>
  Date:   2015-06-06 (Sat, 06 Jun 2015)

  Changed paths:
    M HELP_WANTED.md

  Log Message:
  -----------
  Appveyor provides Windows CI for XMLUnit.NET now