fix #844 by using a secondary info button only visible on phone landscape

fix #844 by using a secondary info button only visible on phone landscape

480x800 
![screen shot 2014-02-12 at 21 38 56](https://f.cloud.github.com/assets/40213/2153506/5e433794-9428-11e3-9f44-1fc2f8f08b41.png)

1080x1920
![screen shot 2014-02-12 at 22 02 09](https://f.cloud.github.com/assets/40213/2153559/0b9b8f04-9429-11e3-844c-eee7dcaa4d7d.png)