@starsirius  => More documentation.

* Prettified text on homepage.
* Documented expiring OAuth tokens.
* Added support for warning/error/success markup in .md docs.

![screenshot 2014-09-04 15 19 27](https://cloud.githubusercontent.com/assets/542335/4155229/6e8a7eb0-3468-11e4-8477-77de33e7bc93.png)

* Expanded applications API.
* Documented artists.
* Fixed a bug with page caching that needs to be user-specific since it has user tokens.
Looks like it might be as follows here? `_embedded` one level up and remove one extra `}`

``` json
{
    "total_count": 1,
    "_links": {
        "self": {
            "href": "#{ArtsyAPI.artsy_api_root}/applications?user_id=..."
        },
        "next": {
            "href": "#{ArtsyAPI.artsy_api_root}/applications?cursor=...&user_id=..."
        }
    },
    "_embedded": {
        "applications": [
            {
                "id": "...",
                ...
            }
        ]
    }
}
```