Investigate Content Type when caching API requests

[vanessalove]

When enabling caching with HttpClient to interact with your service all requests that are cached are failing to be parsed as JSON due to their Content-Type being text/plain instead of applicaiton/json. I think this is because octopus deploy is setting Content-Type to text/plain in the 304 responses and the cache is being updated to reflect that (or something). In Fiddler I am able to set a rule to modify the requests for our octopus server that removes the Content-Type header for 304 responses and things work fine.

Repro: https://gist.github.com/aarondandy/ee11865494c4b1ea5004
Source: http://help.octopusdeploy.com/discussions/problems/33608

[DamianMac]

We're likely going to rebuild the http API piece in the near future.

[lock]

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