Display stats image for none client nodes.

This expects images in "nodes/" subdirectory.
Directly jump to the geographical coordinate of a node.

Adding a link to the latlon geo coordinates of a graph and enable
the geocoord view to directly zoom to these coordinates.
Change target to new window for 'Geodaten'
Local changes for Kiel
Merge branch 'master' of https://github.com/sargon/ffmap-d3

Conflicts:
	lib/geomap.js
	lib/graph.js
Merge branch 'master' of https://github.com/toppoint/ffmap-d3

Conflicts:
	lib/graph.js