[vz-dev] [volkszaehler/volkszaehler.org] c3cf65: Upgrade dev dependencies

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/volkszaehler/volkszaehler.org
  Commit: c3cf650fbd627ee216f439033709f6404b2833f5
      https://github.com/volkszaehler/volkszaehler.org/commit/c3cf650fbd627ee216f439033709f6404b2833f5
  Author: andig <cpuidle at gmx.de>
  Date:   2017-04-17 (Mon, 17 Apr 2017)

  Changed paths:
    M composer.json

  Log Message:
  -----------
  Upgrade dev dependencies