Added README.md
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.
Merge pull request #29 from rubo77/readme

added Readme.md file
Merge branch 'sargon-master'
readme.md: typo
rearrange toolbar fields (= make updated_at last item)

fixes #43
Merge remote-tracking branch 'upstream/master' into ffwtal