Entity flow

internal #6

Search PUA by clicking tags on item page:

![image](https://cloud.githubusercontent.com/assets/833332/5387128/e1cccf50-8089-11e4-979b-7a4b6fdc8b96.png)

And search results page:

![image](https://cloud.githubusercontent.com/assets/833332/5387139/2e13977c-808a-11e4-8588-56267ba986c0.png)

In my dev environment it seems like the number of entities indexed is too low. Verify that this is/is not the case in staging.