FBSnapshotTestCase Fails Compilation

From Travis.ci:

```
Compiling FBSnapshotTestCase.m

⌦  /Users/travis/build/tombenner/nui/Demo/Pods/FBSnapshotTestCase/FBSnapshotTestCase.m:77:65: property 'selector' not found on object of type 'FBSnapshotTestCase *'

                                                  selector:self.selector
```

I presume this is the reason why all pull requests are failing tests.
