fog / fog / 3289

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travis-ci

Require `json` or `xml` in provider cores

Since `fog-json` was extracted from `fog` it means if you rely on:

    require "fog/provider/compute"

`Fog::JSON` was not defined although it was supposed to be a supported
use case.

This adds the requires for JSON or XML based APIs based on a quick scan
of each provider to declare the required part.

AWS seems to be relying on both. Which is nice.

Providers relying on native code dependencies

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45184 of 65223 relevant lines covered (69.28%)

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