added strava layer
margin around button groups
settings for overlays
satellite layer retina resolution
curl to follow redirects
added panoramio overlay
do not remove open panoramio popup when panning it in
retina icon for panoramio
avoid popup under top controls
limit panoramio results proportional to screen area
show GPX tracks
gpx tracks with improved routing
wip
show track on hash change
handle hashchange events
settings should be scrollable
settings button groups cleanup
disable layers based on map location
add approximate bounds to every layer
change the order of layers on settings