Add map to device info view

[wpearse]

Currently, I have to zoom to all devices on the map, and then tap each pin until I find the device I want, then pinch-to-zoom to that device. This is a bit awkward.

I propose adding a third section at the bottom of the device info section (beneath "Device" and "Position"). This section would be titled "Map" and contain a street map, centered on the device's most recent position.

This view would be useful for me to quickly find a device on the map.

[tananaev]

On Android version when you click on a device in the list of devices, it goes to map and centres that device. On iOS we have details view, so maybe we can just add a button there.