[xmlunit/xmlunit] eb8acd: prepare the 2.5.1 release

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

  Branch: refs/heads/fix-compare-matcher-107
  Home:   https://github.com/xmlunit/xmlunit
  Commit: eb8acdfe1599a489a9cbf614c98e75943c147d05
      https://github.com/xmlunit/xmlunit/commit/eb8acdfe1599a489a9cbf614c98e75943c147d05
  Author: Stefan Bodewig <ste...@fr...>
  Date:   2017-11-09 (Thu, 09 Nov 2017)

  Changed paths:
    M RELEASE_NOTES.md
    M pom.xml
    M xmlunit-core/pom.xml
    M xmlunit-legacy/pom.xml
    M xmlunit-matchers/pom.xml

  Log Message:
  -----------
  prepare the 2.5.1 release