Community grid renderer fix

@markewallace - Hi Mark. I fixed the two issues that you addressed earlier (tags and icon for restricted communities). However there is an issue with the restricted icon that is being served by qs 
![restricted icon problem](https://f.cloud.github.com/assets/5525812/1473534/86ae16e0-461c-11e3-9031-e0adbdc6d096.png)
(see attached).