updated service links with icon

[finishes: #81856036]

![screen shot 2014-11-04 at 1 53 16 pm](https://cloud.githubusercontent.com/assets/923211/4906879/9eac99ce-645c-11e4-8b18-ebf0957ae4c6.png)

I'd use a with in conjunction with the find and return something you have reference to so you may match against it below
```
let(:fake_service) { Service.new({app_id: 1, id: 1} }
Service.stub(:find).with(link.service_id).and_return(fake_service))
```