[xmlunit/xmlunit.github.io] 744c5d: add appveyor status

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

  Branch: refs/heads/master
  Home:   https://github.com/xmlunit/xmlunit.github.io
  Commit: 744c5d2a870d5cddb4687a02ba69ac3c9a562609
      https://github.com/xmlunit/xmlunit.github.io/commit/744c5d2a870d5cddb4687a02ba69ac3c9a562609
  Author: Stefan Bodewig <ste...@fr...>
  Date:   2015-06-06 (Sat, 06 Jun 2015)

  Changed paths:
    M index.html

  Log Message:
  -----------
  add appveyor status