[zanata/openprops] 53c02b: Allow Travis to cache Maven Wrapper data

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/zanata/openprops
  Commit: 53c02b6e19bac1ea156457425180699a7b75e052
      https://github.com/zanata/openprops/commit/53c02b6e19bac1ea156457425180699a7b75e052
  Author: Sean Flanigan <sflaniga at redhat.com>
  Date:   2016-12-14 (Wed, 14 Dec 2016)

  Changed paths:
    M .travis.yml

  Log Message:
  -----------
  Allow Travis to cache Maven Wrapper data