New cards for all tag pages

Before: 
![screen shot 2014-10-01 at 16 52 14](https://cloud.githubusercontent.com/assets/2579465/4478107/07921ac6-4983-11e4-95df-9c340be88be7.png)

After:
![screen shot 2014-10-01 at 16 52 34](https://cloud.githubusercontent.com/assets/2579465/4478114/0f8b6138-4983-11e4-819e-0a481f8cf4f5.png)


Ignore this comment as I have just seen: #6233, please make sure you ship that PR first.