Update jsdom to version 9.1.0 🚀

[greenkeeperio-bot]

Hello :wave:

:rocket::rocket::rocket:

jsdom just published its new version 9.1.0, which is not covered by your current version range.

If this pull request passes your tests you can publish your software with the latest version of jsdom – otherwise use this branch to work on adaptions and fixes.

Happy fixing and merging :palm_tree:

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The new version differs by 46 commits .

• 72b53d9 Version 9.1.0
• 499944e Correctly reflection formEl.action
• e955ac7 Don't crash on parsing bad CSS
• 1805283 Add a reasonable focus events implementation
• 8ae0341 Update ESLint
• 868560b Fix window.close() firing DOMContentLoaded
• f8ad3b9 Speed up XPath execution
• 306805a Implement Navigator to-spec
• c2c3af9 Aaaand fix test errors too, doh
• 0cb0bcd Fix lint errors, doh
• f2f2293 Version 9.0.0
• 780b5dc Remove mutation events (!)
• bb23c8f Update the createEvent() events table
• 9384cd0 Update DOMTokenList's contains and add replace
• c2933e9 Fix the Blob constructor's type validation

There are 46 commits in total. See the full diff.

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[ayrton]

Closing in favour of #41