[xmlunit/xmlunit] ffbdf2: fix a few errors and clarify hamcrest version

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

  Branch: refs/heads/master
  Home:   https://github.com/xmlunit/xmlunit
  Commit: ffbdf2f51967650efc77d5347d39268834f5e040
      https://github.com/xmlunit/xmlunit/commit/ffbdf2f51967650efc77d5347d39268834f5e040
  Author: Stefan Bodewig <ste...@fr...>
  Date:   2017-10-21 (Sat, 21 Oct 2017)

  Changed paths:
    M README.md

  Log Message:
  -----------
  fix a few errors and clarify hamcrest version