openlayers/ol3 — pull request #865 by fredj (2013-07-16 13:35:11+00:00)
Title: tilejson example error

http://ol3js.org/en/r3.0.0-alpha.3/examples/tilejson.html
Zooming beyond zoom level 7 produce an error:
```
Uncaught TypeError: Cannot call method 'contains' of undefined
```