Update superagent to version 1.8.2 🚀

[greenkeeperio-bot]

Hello :wave:

:rocket::rocket::rocket:

superagent just published its new version 1.8.2, 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 superagent – otherwise use this branch to work on adaptions and fixes.

Happy fixing and merging :palm_tree:

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GitHub Release

• Fixed handling of HTTP status 204 with content-encoding: gzip (Andrew Shelton)
• Handling of FormData error events (scriptype)
• Fixed parsing of vnd+json MIME types (Kornel Lesiński)
• Aliased browser implementation of .parse() as .serialize() for forward compatibility

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The new version differs by 342 commits .

• f39129b v1.8.2
• 8f37194 Fixed fallback JSON parser to match Node
• a01bd83 Allow unzipping responses without explicit content-length
• f7e8a93 Merge branch 'master' of https://github.com/sheltonial/superagent into sheltonial-master
• 18a97b1 Add .serialize() for forward-compat with 2.0
• 0ab31d3 Update version
• 322703c We don't use form-data package client-side any more
• d806b06 DRY formData construction
• aa63ba9 Listen for FormData error events
• 94878a5 v1.8.1
• f80e147 Require form-data on-demand, so that it doesn’t throw when not in use
• 8180a19 Skip Blob test on IE9
• 42d3c9b Add form-data to bower.json
• ca8e489 v1.8.0
• 2da0334 1.8.0-beta.2

There are 250 commits in total. See the full diff.

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