POI map component

- Static and JS Google maps
- Loads JS maps on demand (click/hover intent)
- Responsive by default

![responsive-maps](https://cloud.githubusercontent.com/assets/271645/3173976/13200428-ebed-11e3-80e3-348104ccc8bb.gif)
We'll need an accessible reference to the map instance to add markers etc, though this may better be stored as data on the `$container`.