Dead simple metric panel displaying a specific attribute from the ES raw answer

Hey there,

not sure I got it right since I'm quite a newbie with Kibana, but AFAIC there wasn't any panel displaying a specific attribute from the ES raw answer. I bootstrapped/implemented one:

![screen shot 2014-03-08 at 22 35 49](https://f.cloud.github.com/assets/29529/2367322/15e1697c-a755-11e3-846f-4ca542cef460.png)

Configuration:
![screen shot 2014-03-08 at 22 36 23](https://f.cloud.github.com/assets/29529/2367326/63bad5d4-a755-11e3-9891-5ded9e157db5.png)

Let me know what you think!