Cluster health message added. 

fixes: #1044 

![screen shot 2014-07-24 at 12 19 01 pm](https://cloud.githubusercontent.com/assets/748527/3691224/4cf460f6-1350-11e4-8e19-37f95e0a0036.png)

![screen shot 2014-07-24 at 12 23 57 pm](https://cloud.githubusercontent.com/assets/748527/3691226/5071f7d4-1350-11e4-8b99-ce7ae4f04154.png)


@amankapur Can you check that please ?