Feature/instagramm

```coffee
content = switch @state.currentState
when STATE_LOADED  then `<InstagramFeed_Carousel photos={this.state.photos}/>`
when STATE_LOADING then `<InstagramFeed_Spinner/>`
when STATE_ERROR  then `<InstagramFeed_Error/>`
else console.warn 'Неизвестное состояние #{@state.currentState}'

content
```