buddycondensed directive

Create a list which shows 5 buddys with buddyImage. If there are more than 5 buddys in the list then a text `+ NUM more` is shown. When hovering over the + text the rest of the buddys in the room are shown. The buddyImage provides the name of the buddy and the call/text buttons when hovering over the image.

The condensed buddy list in shown in the top header at window sizes greater than 1125px.

 
![buddycondensed](https://cloud.githubusercontent.com/assets/4820641/4389231/599a6390-43f3-11e4-8fbc-e4b9e53c628f.png)