Update socket.io to the latest version 🚀

[greenkeeper]

Version 2.1.1 of socket.io was just published.

Dependency	socket.io
Current Version	2.1.0
Type	dependency

The version 2.1.1 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 socket.io.

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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Commits

The new version differs by 4 commits.

• e0b2cb0 [chore] Release 2.1.1
• 1decae3 [feat] Add local flag to the socket object (#3219)
• 0279c47 [docs] Convert the chat example to ES6 (#3227)
• 2917942 [docs] Clarify private messaging in the emit cheatsheet (#3232)

See the full diff

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Your Greenkeeper bot 🌴

[greenkeeper]

• The dependency socket.io was updated from 2.1.0 to 2.2.0.

Update to this version instead 🚀

Commits

The new version differs by 10 commits.

• df05b73 [chore] Release 2.2.0
• b00ae50 [feat] Add cache-control header when serving the client source (#2907)
• d3c653d [docs] Add Touch Support to the whiteboard example (#3104)
• a7fbd1a [fix] Throw an error when trying to access the clients of a dynamic namespace (#3355)
• 190d22b [chore] Bump dependencies
• 7b8fba7 [test] Update Travis configuration
• e5f0cea [docs] Use new JavaScript syntax inside the README (#3360)
• 7e35f90 [docs] fix this scope in the chat example
• 2dbec77 [chore] Update issue template
• d97d873 [docs] update README.md (#3309)

See the full diff

[greenkeeper]

• The dependency socket.io was updated from 2.1.0 to 2.3.0.

Update to this version instead 🚀