Update grunt-mocha-cli to version 2.1.0 🚀

[greenkeeperio-bot]

Hello :wave:

:rocket::rocket::rocket:

grunt-mocha-cli just published its new version 2.1.0, 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 grunt-mocha-cli – otherwise use this branch to work on adaptions and fixes.

Happy fixing and merging :palm_tree:

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GitHub Release

• change: update mocha and switch to caret semver range.

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The new version differs by 10 commits .

• 4241cd0 Release version 2.1.0
• 2b7a994 Update mocha and switch to caret semver range
• a59ebb2 Fix linting warnings
• 8e235cc Fix files option unit test
• 5f19029 Update devDependencies
• 465048a Merge pull request #36 from wtrocki/master
• a9616e6 Missing loadNpmTasks in README.md
• 27d05b0 Test on node 5
• 4d5704d Update eslint-config-rowno
• c08b8dd Use shared eslint config

See the full diff.

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