[minor] Also list our `emit` plugin
[dist] 2.1.6
[dist] unpublished 2.1.6, republished as 2.2.0
[minor] I have no idea why I didn't just nuke everything before.
[doc] Use SVG badges
[patch] Remove all the patches for the Engine.IO client

All the patches have been merged upstream.
[deps] Bump `engine.io` to version 1.1.x
[minor] Rebuild the Engine.IO client -- version 1.1.0
[fix] Reflect the changes introduced in the new Engine.IO client
[patch] Add a patch for the SockJS client to always use the `withCredentials` flag

Requests sent to `/<pathname>/info` did't have the `withCredentials` flag set.
Setting the flag allows us to read cookies or authorization headers when these
requests pass through our authorization middleware.
Emit error event for close event codes above 1000.
Merge pull request #233 from alexmingoia/sockjs-reconnect

Emit error event for close event codes above 1000.
[minor] Encode and decode uri components for querystrings
[fix] Force timestamped requests for engine.io
[fix] Ensure that connection cachebusters are unique
[dist] 2.2.1
[minor] Fix an incomplete comment
[example] Add an example of how to use a custom middleware
[minor] Rename the example directory to examples
Merge pull request #235 from lpinca/add/middleware-example

Add an example of how to use a custom middleware