nightmare@2.5.0 breaks build 🚨

[greenkeeperio-bot]

Hello 👋

🚨🚨🚨

nightmare just published its new version 2.5.0, which is covered by your current version range. After updating it in your project the build went from success to failure.

This means your software is now malfunctioning, because of this update. Use this branch to work on adaptions and fixes.

Happy fixing and merging 🌴

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The new version differs by 32 commits .

• 095a4c5 2.5.0
• 9376a85 Merge pull request #664 from rosshinkley/663
• bdb7464 Merge pull request #658 from rosshinkley/350-js-event-handler
• 43233ac Merge pull request #652 from rosshinkley/202-clear-cookies
• ccdaf87 Merge pull request #651 from LinusU/click-errors
• 5dc4226 Merge pull request #650 from oliviervaillancourt/fixingExample
• 89d8e9c Merge pull request #640 from Mr0grog/612-dont-let-things-hang-so-long-they-get-sun-bleached
• 42582d9 Merge pull request #653 from rosshinkley/621-specify-engine
• e2dc1a7 test cleanup
• 454f526 adds.once()and.removeListener(), fixes #663
• b2b2c3e triggering another build via push to update ubuntu target
• c2a0300 patching javascript action to remove extra listeners
• 2529704 Adjusted to example.js after conservation with Ross and Rob
• 03f43fc adding libnotify, removing nvm monkeypatch
• b6c397f worst hack to get node6 working

There are 32 commits in total. See the full diff.

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This change is