Fix location marker and popups
Fix location marker and popups

Location marker anchor set, zooming does not let the marker 'slide'
anymore.
Popup of the location marker now opens at the right place.
Popup of the beacons now opens at the right place.
Popup of the beacons also open when clicking the circle that belongs to
them.

VincentSmit/cappening,VincentSmit/cappening