[PROP]: Use request.js as our default way for any requests on the client side

[TNieminen]

Is your feature request related to a problem? Please describe.

Request.js is an Axios powered module written some time ago to normalise our request patterns on the client side.
Things that the request.js provides:

• Progress events as callback (back to requester)
• A global page-level progress event inside a navbar container by passing only one boolean "globalProgress:true"
• Validation of all the parameters passed into it
• In-built API versioning support
• In-built content and response type handling
• Normalised response status handling
• Normalised authorisation handling (this was the original motivation)

In addition if we at any point want to extend this further, we can always split it into for instance sub classes.
Also if we want to for whatever reason change axios to another module, we can do that without a major refactor.

Describe the solution you'd like

• Add a section to styleguide to enforce this as the de-facto request module
• Add examples of usage

[TNieminen]

One possibility would be also to split this into "Akkadu_Components" as a installable module, this way we can also have versioning and maintain module specific in-detail documentation and just have a reference in the style guide.

[HoukasaurusRex]

Might be too early to separate into an npm module until we can use it elsewhere, but this is a good direction and I'd support a request wrapper we use for all client side requests