Update mocha to the latest version 🚀

[greenkeeper]

Version 4.1.0 of mocha was just published.

Dependency	mocha
Current Version	3.5.3
Type	devDependency

The version 4.1.0 is not covered by your current version range.

If you don’t accept this pull request, your project will work just like it did before. However, you might be missing out on a bunch of new features, fixes and/or performance improvements from the dependency update.

It might be worth looking into these changes and trying to get this project onto the latest version of mocha.

If you have a solid test suite and good coverage, a passing build is a strong indicator that you can take advantage of these changes directly by merging the proposed change into your project. If the build fails or you don’t have such unconditional trust in your tests, this branch is a great starting point for you to work on the update.

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Release Notes

v4.1.0

4.1.0 / 2017-12-28

This is mainly a "housekeeping" release.

Welcome @Bamieh and @xxczaki to the team!

🐛: Fixes

• #2661: progress reporter now accepts reporter options (@canoztokmak)
• #3142: xit in bdd interface now properly returns its Test object (@Bamieh)
• #3075: Diffs now computed eagerly to avoid misinformation when reported (@abrady0)
• #2745: --help will now help you even if you have a mocha.opts (@Zarel)

🎉 Enhancements

• #2514: The --no-diff flag will completely disable diff output (@CapacitorSet)
• #3058: All "setters" in Mocha's API are now also "getters" if called without arguments (@makepanic)

📖 Documentation

• #3170: Optimization and site speed improvements (@Munter)
• #2987: Moved the old site repo into the main repo under docs/ (@boneskull)
• #2896: Add maintainer guide (@boneskull)
• Various fixes and updates (@xxczaki, @maty21, @leedm777)

🔩 Other

• Test improvements and fixes (@eugenet8k, @ngeor, @38elements, @Gerhut, @ScottFreeCode, @boneskull)
• Refactoring and cruft excision (@38elements, @Bamieh, @finnigantime, @boneskull)

Commits

The new version differs by 463 commits.

• 6b9ddc6 Release v4.1.0
• 3c4b116 update CHANGELOG for v4.1.0
• 5be22b2 options.reporterOptions are used for progress reporter
• ea96b18 add .fossaignore [ci skip]
• adc67fd Revert "[ImgBot] optimizes images (#3175)"
• ae3712c [ImgBot] optimizes images (#3175)
• 33db6b1 Use x64 node on appveyor
• 4a6e095 Run appveyor tests on x64 platform. Might enable sharp installation
• 3abed9b Lint netlify-headers script
• 119543e Add preconnect for doubleclick domain that google analytics results in contacting
• bd5109e Remove crossorigin='anonymous' from preconnect hints. Only needed for fonts, xhr and es module loads
• 123ee4f Handle the case where all avatars are already loaded at the time when the script exexecutes
• 64deadc Specific value for inlining htmlimages to guarantee logo is inlined
• 8f1ded4 https urls where possible
• d5a5125 Be explicit about styling of screenshot images

There are 250 commits in total.

See the full diff

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[averissimo]

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