Visiting url

Initial PR to get PR number for changelog.
@oliverbarnes @drogus To be clear, the list of issues in /issues CAN be displayed without having the IssuesIndexRoute, but not if the code in IssuesIndexRoute to reset expandedIssueId to null is included in IssuesRoute. ie moving this code out of IssuesIndexRoute:

```
setupController: function(controller, model) {
    this._super(controller, model);
    this.controllerFor('issues').set('expandedIssueId', model.get('id'));
  }
```
and putting it in IssuesRoute won't work. Nor some variation of this code, like:

 ``` 
setupController: function(controller, model) {
    controller.set('expandedIssueId', null);
 }
```

Is there some other way to set expandedIssueId to null in IssuesRoute?