QtLocation map updates

[Dirk Hohndel]

> On Jul 21, 2017, at 4:54 AM, Lubomir I. Ivanov <neolit123 at gmail.com> wrote:
> 
> update:
> 
> https://giphy.com/gifs/xTkcEUSM1MbQlVSOXK/fullscreen
> 
> i've been playing with creating a context menu and a button to toggle
> the map type.

Looks nice. I wonder how this would look with real data from some of 
the contributors here.

> next steps would be to implement the logic about not showing dive
> sites too close to each other and selecting multiple nearby dives in
> the dive list on a map click.
> also support editing markers.

Editing markers is important!

I'll send you my login credentials so you can play with my data from
the cloud server!

/D