Update 3.4.12

+ Using new public GeoNames server and adjustable user name. Registering for your own user account is highly recommended! See also this post in GeoNames forum
+ Maximun visible track points on map adjustable in program settings
* Follow and center focused image file on map
! History of map views did not work correctly (toolbar on top of map)
! Synchronizing with GPS track files sometimes produced wrong results when using more than one track file

Some other small changes, improvements and fixes