Advanced example Initial Commit

Here's my second take on this example. I'm using YQL on the server to get some Flickr data and then exposing it to the client. On the client, it gets picked up, converted into `Y.Model` and `Y.View` instances and rendered onto the page.

I considered adding some manipulation on the front-end (maybe selecting a photo brings up a lightbox or something), but I didn't do it because it's not an App example and didn't want to add complexity. I can if you guys think it would add to the example, though.

I also simplified the general project structure. Everything happens in `server.js` and there's only one handlebars file.

Here's how it looks:
![](http://f.cl.ly/items/3y0I1Y2H3646433i2w0d/Screen%20Shot%202013-08-21%20at%2012.22.03%20PM.png)