Access to the menu on non desktop device

![image](https://cloud.githubusercontent.com/assets/1214134/2609612/ae72e5bc-bb78-11e3-91e5-74a964b7a0e4.png)

Closes https://github.com/styxit/HTPC-Manager/issues/167 and https://github.com/styxit/HTPC-Manager/issues/162