Update babel-eslint to version 5.0.1 🚀

[greenkeeperio-bot]

Hello :wave:

:rocket::rocket::rocket:

babel-eslint just published its new version 5.0.1, 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 babel-eslint – 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 5 commits .

• 43d5ba6 5.0.1
• e29eedb add peer dependency for eslint < 2, since users should be using v6
• fd58c24 Merge pull request #257 from gmaclennan/patch-1
• 19a3fd6 Update README.md install docs for eslint v1.x
• 038361a Update .travis.yml

See the full diff.

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