Add item caroursel block

![screen shot 2014-02-26 at 15 16 39](https://f.cloud.github.com/assets/111218/2277113/129f0290-9f3c-11e3-93dc-415e95d0c6e7.png)
![screen shot 2014-02-26 at 15 16 32](https://f.cloud.github.com/assets/111218/2277114/12b1cd9e-9f3c-11e3-8a6b-f83b19d0c6c9.png)