Update karma to the latest version 🚀

[greenkeeper]

Version 2.0.0 of karma was just published.

Dependency	karma
Current Version	1.7.1
Type	devDependency

The version 2.0.0 is not covered by your current version range.

If you don’t accept this pull request, your project will work just like it did before. However, you might be missing out on a bunch of new features, fixes and/or performance improvements from the dependency update.

It might be worth looking into these changes and trying to get this project onto the latest version of karma.

If you have a solid test suite and good coverage, a passing build is a strong indicator that you can take advantage of these changes directly by merging the proposed change into your project. If the build fails or you don’t have such unconditional trust in your tests, this branch is a great starting point for you to work on the update.

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Release Notes

v2.0.0

Bug Fixes

• config: Call debug log methods after setting the loglevel based upon config/cli-options. (99fd3f0)
• config: Call debug log methods after setting the loglevel based upon config/cli-options. (a340dae)
• config: Retry install with appveyor-retry. (17d5791)
• config: Workaround npm 5.4 windows bug (ec47d81)
• deps: update socket.io to version 2.0.3. (3b7b019), closes #2821 #2777
• logging: Upgrade to log4js 2.x API. (#2868) (f6f8707), closes #2858
• reporter: show file path correctly when urlRoot specified (34dc7d3), closes #2897

Features

• cli: Warn on commands with underscores. (0801a7f)
• config: allow to use newer versions of CoffeeScript (c1fcf42)
• launcher: trim whitespace in browser name (871d46f)
• launcher: trim whitespace in browser name (334f9fb)
• middleware: added manual file type option (0330cd1), closes #2824
• better string representation of errors (c9e1ca9)
• drop core-js and babel where possible (60dfc5c)
• update of supported node versions (e79463b)

Commits

The new version differs by 73 commits.

• db41e8e chore: release v2.0.0
• 0a1a8ef chore: update contributors
• 1afcb09 chore: add yarn.lock
• f64e1e0 Merge pull request #2899 from outsideris/fix-bad-url-in-stacktrace
• 78ad12f refactor(server): move compile step to first run
• 34dc7d3 fix(reporter): show file path correctly when urlRoot specified
• b53929a Merge pull request #2712 from macjohnny/patch-1
• c9e1ca9 feat: better string representation of errors
• 10fac07 Merge pull request #2885 from karma-runner/prep-2
• 00e3f88 chore: remove yarn.lock for now
• 60dfc5c feat: drop core-js and babel where possible
• 0e1907d test: improve linting and fix test on node 4
• af0efda test(e2e): update cucumber step definitions
• c3ccc5d chore(ci): focus on even node versions
• bf25094 chore(deps): update to latest

There are 73 commits in total.

See the full diff

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