Update numbat-emitter to version 3.0.0 🚀

[greenkeeperio-bot]

Hello :wave:

:rocket::rocket::rocket:

numbat-emitter just published its new version 3.0.0, 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 numbat-emitter – 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 27 commits .

• 8184b31 3.0.0
• 577fdab Relax dev dependency semver ranges to calm down Greenkeeper.
• 5e09432 Merge pull request #33 from trygve-lie/travis
• 30bd334 Merge pull request #36 from numbat-metrics/greenkeeper-lodash-4.5.0
• 9fd9839 eslint love
• 75ee882 Merge remote-tracking branch 'origin/master' into greenkeeper-lodash-4.5.0
• 81a202b Merge pull request #34 from numbat-metrics/greenkeeper-eslint-2.0.0
• 8283e56 use eslint 2.1.0
• 173b5fd adjusted lint config for changes in eslint 2.x
• 74619fd chore(package): update lodash to version 4.5.0
• 26adf95 Merge pull request #30 from numbat-metrics/global-emitter
• 84d4284 chore(package): update eslint to version 2.0.0
• e2fbfa1 Merge pull request #32 from numbat-metrics/greenkeeper-lodash-4.3.0
• d7fa7d7 run tests on a wider range of node versions
• 3a6118d chore(package): update lodash to version 4.3.0

There are 27 commits in total. See the full diff.

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