Update karma to version 0.13.21 🚀

[greenkeeperio-bot]

Hello 👋

🚀🚀🚀

karma just published its new version 0.13.21, 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 karma – otherwise use this branch to work on adaptions and fixes.

Happy fixing and merging 🌴

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GitHub Release

Reverts

• "Merge pull request #1791 from budde377/feature-adding-no-colors-to-run-command" (96ebdc4), closes #1894 #1895

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The new version differs by 168 commits .

• a756242 chore: release v0.13.21
• 823cc48 Merge pull request #1897 from dignifiedquire/fix-reporters
• 96ebdc4 revert: "Merge pull request #1791 from budde377/feature-adding-no-colors-to-run-command"
• c6076bd docs(readme): Remove unused badge
• 99fb861 chore: release v0.13.20
• 609917d chore: update contributors
• 26ae115 Merge pull request #1818 from karma-runner/ie
• dfedc97 test(client): Browserstack tests & more browsers
• 574271c test(client): Move to assert and add shims
• 8627d67 feat(config): AddforceJSONPoption
• 932b1cc chore(devDeps): Upgrade
• 159015c Merge pull request #1886 from karma-runner/greenkeeper-glob-7.0.0
• e697a2a Merge pull request #1883 from karma-runner/greenkeeper-core-js-2.1.0
• 281d6ff chore(package): update glob to version 7.0.0
• 6ea456e Merge pull request #1884 from thorn0/node-5-6-fix-dates

There are 168 commits in total. See the full diff.

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