[vz-dev] [volkszaehler/volkszaehler.org] d757df: Fix travis

[andig]

  Branch: refs/heads/yaml
  Home:   https://github.com/volkszaehler/volkszaehler.org
  Commit: d757dfc74b4114587bf38fce6ffb5e332ba2645a
      https://github.com/volkszaehler/volkszaehler.org/commit/d757dfc74b4114587bf38fce6ffb5e332ba2645a
  Author: andig <cpuidle at gmx.de>
  Date:   2019-03-22 (Fri, 22 Mar 2019)

  Changed paths:
    M .travis.yml

  Log Message:
  -----------
  Fix travis