visual maps beginning
no routing vol. 1
Merge branch 'master' into gmaps
some maps drawing code
Merge branch 'master' into gmaps
displaying sensor list
Merge branch 'master' into gmaps

Conflicts:
	src/css/osp.css
Merge branch 'master' into gmaps
some map redesign and small adjustments
Merge branch 'master' into gmaps
marker placement and display on map