Api v1, supports quotes #index and #show

wow,, lots of commits.

![o84](https://f.cloud.github.com/assets/184520/688601/98fc4e76-da9b-11e2-8418-0eb6b6d2d22a.gif)

Actual result may look like this:

GET http://quoty.me/api/quotes.json

```ruby
[
  {
    "id"         => 1,
    "author"     => "Quote author",
    "content"    => "Quote content",
    "source"     => "Quote source",
    "language"   => "english",
    "context"    => "Quote context",
    "created_at" => "2013-06-21T17:48:25Z",
    "creator"    => {
      "id"         => 1,
      "name"       => "alice",
      "avatar_url" => "http://www.gravatar.com/avatar/c160f8cc69a4f0bf2b0362752353d060?s=80&d=retro"
    },
    "images"     => [
      {
        "image_url" => '...',
        "thumb_url" => '...'
      },
    ]
  }
]
```