[xmlunit/xmlunit] 933ed9: try to disable all DocumentBuilderFactory features...

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

  Branch: refs/heads/add-some-xxe-protection
  Home:   https://github.com/xmlunit/xmlunit
  Commit: 933ed9eed8f1132c6280f6b58de212675eb0efef
      https://github.com/xmlunit/xmlunit/commit/933ed9eed8f1132c6280f6b58de212675eb0efef
  Author: Stefan Bodewig <ste...@fr...>
  Date:   2018-04-13 (Fri, 13 Apr 2018)

  Changed paths:
    M xmlunit-core/src/main/java/org/xmlunit/ConfigurationException.java
    M xmlunit-core/src/main/java/org/xmlunit/util/Convert.java
    A xmlunit-core/src/main/java/org/xmlunit/util/DocumentBuilderFactoryConfigurer.java
    M xmlunit-legacy/src/main/java/org/custommonkey/xmlunit/XMLUnit.java

  Log Message:
  -----------
  try to disable all DocumentBuilderFactory features recommended by OWASP

see https://www.owasp.org/index.php/XML_External_Entity_(XXE)_Prevention_Cheat_Sheet#JAXP_DocumentBuilderFactory.2C_SAXParserFactory_and_DOM4J

see #91