Changed the icon of the Map from the Menu entry

Changed the icon of the Map from the Menu entry so that Maps and Regions from the Menu entry have different icons.
![screenshot from 2013-11-15 23 16 10](https://f.cloud.github.com/assets/5900409/1552030/e01b34ca-4e1d-11e3-917c-3f7ebc82f651.png)
![screenshot from 2013-11-15 23 16 32](https://f.cloud.github.com/assets/5900409/1552045/0adff056-4e1e-11e3-97d7-fc784495a8bc.png)