Update webpack-dev-server to version 2.2.1 🚀

[greenkeeperio-bot]

Hello lovely humans,

webpack-dev-server just published its new version 2.2.1.

State	Update 🚀
Dependency	webpack-dev-server
New version	2.2.1
Type	devDependency

This version is not covered by your current version range.

Without accepting this pull request your project will work just like it did before. There might be a bunch of new features, fixes and perf improvements that the maintainers worked on for you though.

I recommend you look into these changes and try to get onto the latest version of webpack-dev-server.
Given that you have a decent test suite, a passing build is a strong indicator that you can take advantage of these changes by merging the proposed change into your project. Otherwise this branch is a great starting point for you to work on the update.

Do you have any ideas how I could improve these pull requests? Did I report anything you think isn’t right?
Are you unsure about how things are supposed to work?

There is a collection of frequently asked questions and while I’m just a bot, there is a group of people who are happy to teach me new things. Let them know.

Good luck with your project ✨

You rock!

🌴

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The new version differs by 250 commits .

• aa98997 2.2.1
• 686dec4 Fix inline example not working after webpack 2.2.0
• c82c1eb Only run Travis on the master branch [skip ci]
• 54b4b02 update examples to reflect web pack 2.2.0 (#759)
• 3bc7f77 webpack.github.io -> webpack.js.org
• cb98dd9 Change link in readme to webpack.js.org
• 31fb4fd Added example "webworker" (#755)
• 7e18f6a 2.2.0
• e9dd0ed Upgrade webpack dependency
• cae704f Update README to new standard
• d560695 Fix broken test after webpack update
• 84a98ad update webpack dev dependency
• a947336 Refactor to ES6
• fb74672 Bring eslint config in line with webpack/webpack
• 2f9ac82 Make Travis run Node.js v4 and v6

There are 250 commits in total. See the full diff.

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