Update xo to version 0.14.0 🚀

[greenkeeperio-bot]

Hello :wave:

:rocket::rocket::rocket:

xo just published its new version 0.14.0, 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 xo – 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 15 commits .

• 9fce4fb 0.14.0
• 0bf6eb1 bump eslint-config-xo
• 1198a86 addeslint-plugin-xo``
• a5d5f04 fix tests
• 88db77d more default ignores
• 4fd4fcd fix passingfilenameoption tolintText()``
• 8da6e59 add eslint-plugin-promise - fixes #98
• bfb1b4f update to latest AVA
• b77ff9c add reference to emacs package (#99)
• d55d1cc addeslint-plugin-avaESLint plugin
• 44c8cfb add code coverage
• cdb41bf add AppVeyor - fixes #97
• 42106ff bump babel-eslint
• 9a6513b Merge pull request #90 from jfmengels/import-order-plugin
• c5b9990 Add eslint-plugin-import-order to plugins

See the full diff.

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