Update dependency eslint to version 3.15.0

[keylocation-bot]

This Pull Request updates dependency eslint from version 3.14.1 to 3.15.0

Changelog

3.15.0 / 2017-02-03

• 3.15.0
• Build: package.json and changelog update for 3.15.0
• Fix: `no-extra-parens` incorrect precedence (fixes #7978) (#7999)
• Fix: no-var should fix ForStatement.init (#7993)
  • Fix: no-var should fix ForStatement.init
  • Chore: add tests
• Upgrade: Espree v3.4.0 (#8019)
• Docs: update README.md for team (#8016)
• Chore: enable template-tag-spacing on ESLint codebase (#8005)
  This enables template-tag-spacing for dogfooding. There are no existing violations with the default "never" option, and 37 existing violations with the "always" option.
• Docs: Fix typo in object-curly-newline.md (#8002)
  It looks like the curly braces got turned into square brackets between the incorrect and correct code examples.
• Docs: Fix misleading section in brace-style documentation (#7996)
  It looks like this section was added when the brace-style rule only supported the 1tbs option, and the section hasn't been updated since then.
• Chore: avoid unnecessary feature detection for Symbol (#7992)
  The Symbol global exists in all Node versions supported by eslint.
• Chore: fix no-else-return lint error (refs #7986) (#7994)
• Chore: enable no-else-return on ESLint codebase (#7986)
  • Chore: enable no-else-return on ESLint codebase
  • Move a comment after a brace
• Update: add ignoreRestSiblings option to no-unused-vars (#7968)
  Update: no-unused-vars to account for rest property omissions
  Update docs
  Update: use RestProperty and only check last property
  Temp
  temp
  temp
  Use parent type
• Chore: enable no-unneeded-ternary on ESLint codebase (#7987)
• Update: ensure operator-assignment handles exponentiation operators (#7970)
• Update: add "variables" option to no-use-before-define (fixes #7111) (#7948)
  • Update: add "variables" option to no-use-before-define (fixes #7111)
  • Clarify the default behavior
• New: `template-tag-spacing` rule (fixes #7631) (#7913)
  • New: `template-tag-spacing` rule (fixes #7631)
  • Check template tags wrapped in parens
  • Change rule category to "Stylistic Issues"
  • Rephrase rule documentation intro
    Rewrote the intro do be more descriptive about tagged template literals.
    Also includes a "Further Reading" section.
  • Update docs to better explain the rule concept
  • Add tests for tags with comments
  • Documentation nits
  • Adjust template tag autofixing behaviour when there's comments present