[xmlunit/xmlunit] 5ab290: better keep isDoctypeComparison within the enum

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

  Branch: refs/heads/master
  Home:   https://github.com/xmlunit/xmlunit
  Commit: 5ab2909e5bb074e011858cd55d46f363b5fc6337
      https://github.com/xmlunit/xmlunit/commit/5ab2909e5bb074e011858cd55d46f363b5fc6337
  Author: Stefan Bodewig <ste...@fr...>
  Date:   2016-03-19 (Sat, 19 Mar 2016)

  Changed paths:
    M xmlunit-core/src/main/java/org/xmlunit/diff/ComparisonType.java
    M xmlunit-core/src/main/java/org/xmlunit/diff/DifferenceEvaluators.java

  Log Message:
  -----------
  better keep isDoctypeComparison within the enum