Update eslint to the latest version 🚀

[greenkeeper]

Version 4.2.0 of eslint just got published.

Dependency	eslint
Current Version	4.1.1
Type	devDependency

The version 4.2.0 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 eslint.
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.

---

Release Notes

v4.2.0

• e0f0101 Update: fix indentation of nested function parameters (fixes #8892) (#8900) (Teddy Katz)
• 9f95a3e Chore: remove unused helper method from indent (#8901) (Teddy Katz)
• 11ffe6b Fix: no-regex-spaces rule incorrectly fixes quantified spaces (#8773) (Keri Warr)
• 975dacf Update: fix indentation of EmptyStatements (fixes #8882) (#8885) (Teddy Katz)
• 88ed041 Build: Turnoff CI branch build (fixes #8804) (#8873) (Gyandeep Singh)
• 72f22eb Chore: replace is-my-json-valid with Ajv (#8852) (Gajus Kuizinas)
• 7c8de92 Docs: Clarified PR guidelines in maintainer guide (#8876) (Kevin Partington)
• d1fc408 Docs: Update CLA link in Contributing docs (#8883) (Calvin Freitas)
• 931a9f1 Fix: indent false positive with multi-line await expression (#8837) (薛定谔的猫)
• 3767cda Update: add no-sync option to allow at root level (fixes #7985) (#8859) (Victor Hom)
• 1ce553d Docs: Fix wording of minProperties in object-curly-newline (fixes #8874) (#8878) (solmsted)
• f00854e Fix: --quiet no longer fixes warnings (fixes #8675) (#8858) (Kevin Partington)
• b678535 Chore: Add collapsible block for config in ISSUE_TEMPLATE (#8872) (Gyandeep Singh)
• 1f5bfc2 Update: Add always-multiline option to multiline-ternary (fixes #8770) (#8841) (Nathan Woltman)
• 22116f2 Fix: correct comma-dangle JSON schema (#8864) (Evgeny Poberezkin)
• 676af9e Update: fix indentation of JSXExpressionContainer contents (fixes #8832) (#8850) (Teddy Katz)
• 330dd58 Chore: fix title of linter test suite (#8861) (Teddy Katz)
• 60099ed Chore: enable for-direction rule on ESLint codebase (#8853) (薛定谔的猫)
• e0d1a84 Chore: upgrade eslint-plugin-eslint-plugin & eslint-plugin-node (#8856) (薛定谔的猫)
• 0780d86 Chore: remove identical tests (#8851) (Teddy Katz)
• 5c3ac8e Fix: arrow-parens fixer gets tripped up with trailing comma in args (#8838) (薛定谔的猫)
• c4f2e29 Build: fix race condition in demo (#8827) (Teddy Katz)
• c693be5 New: Allow passing a function as fix option (fixes #8039) (#8730) (Ian VanSchooten)
• 8796d55 Docs: add missing item to 4.0 migration guide table of contents (#8835) (薛定谔的猫)
• 742998c doc md update: false -> false (#8825) (Erik Vold)
• ce969f9 Docs: add guidelines for patch release communication (fixes #7277) (#8823) (Teddy Katz)
• 5c83c99 Docs: Clarify arrow function parens in no-extra-parens (fixes #8741) (#8822) (Kevin Partington)
• 84d921d Docs: Added note about Node/CJS scoping to no-redeclare (fixes #8814) (#8820) (Kevin Partington)
• 85c9327 Update: fix parenthesized CallExpression indentation (fixes #8790) (#8802) (Teddy Katz)
• be8d354 Update: simplify variable declarator indent handling (fixes #8785) (#8801) (Teddy Katz)
• 9417818 Fix: no-debugger autofixer produced invalid syntax (#8806) (Teddy Katz)
• 8698a92 New: getter-return rule (fixes #8449) (#8460) (薛定谔的猫)
• eac06f2 Fix: no-extra-parens false positives for variables called "let" (#8808) (Teddy Katz)
• 616587f Fix: dot-notation autofix produces syntax errors for object called "let" (#8807) (Teddy Katz)
• a53ef7e Fix: don't require a third argument in linter.verifyAndFix (fixes #8805) (#8809) (Teddy Katz)
• 5ad8b70 Docs: add minor formatting improvement to paragraph about parsers (#8816) (Teddy Katz)

Commits

The new version differs by 38 commits.

• 5ea79dc 4.2.0
• b19ee3f Build: changelog update for 4.2.0
• e0f0101 Update: fix indentation of nested function parameters (fixes #8892) (#8900)
• 9f95a3e Chore: remove unused helper method from indent (#8901)
• 11ffe6b Fix: no-regex-spaces rule incorrectly fixes quantified spaces (#8773)
• 975dacf Update: fix indentation of EmptyStatements (fixes #8882) (#8885)
• 88ed041 Build: Turnoff CI branch build (fixes #8804) (#8873)
• 72f22eb Chore: replace is-my-json-valid with Ajv (#8852)
• 7c8de92 Docs: Clarified PR guidelines in maintainer guide (#8876)
• d1fc408 Docs: Update CLA link in Contributing docs (#8883)
• 931a9f1 Fix: indent false positive with multi-line await expression (#8837)
• 3767cda Update: add no-sync option to allow at root level (fixes #7985) (#8859)
• 1ce553d Docs: Fix wording of minProperties in object-curly-newline (fixes #8874) (#8878)
• f00854e Fix: --quiet no longer fixes warnings (fixes #8675) (#8858)
• b678535 Chore: Add collapsible block for config in ISSUE_TEMPLATE (#8872)

There are 38 commits in total.

See the full diff

Not sure how things should work exactly?

There is a collection of frequently asked questions and of course you may always ask my humans.

---

Your Greenkeeper Bot 🌴

[coveralls]

Coverage remained the same at 100.0% when pulling 58eba99 on greenkeeper/eslint-4.2.0 into 1f02d44 on master.