[xmlunit/xmlunit] e62a76: make travis update packages

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

  Branch: refs/heads/master
  Home:   https://github.com/xmlunit/xmlunit
  Commit: e62a765dc3becb025a8e27c58db9bcafd3fc85f6
      https://github.com/xmlunit/xmlunit/commit/e62a765dc3becb025a8e27c58db9bcafd3fc85f6
  Author: Stefan Bodewig <ste...@fr...>
  Date:   2018-05-16 (Wed, 16 May 2018)

  Changed paths:
    M .travis.yml

  Log Message:
  -----------
  make travis update packages



      **NOTE:** This service been marked for deprecation: https://developer.github.com/changes/2018-04-25-github-services-deprecation/

      Functionality will be removed from GitHub.com on January 31st, 2019.