central_station: node_r based on config.gridSpacing
interactivity, utils: moved svgline* into utils, deactivated broken parallel edges
main: config gridSpacing 12, not 40
it moves! optimizer integrated into a parallel loop with a web worker
Merge branch 'master' into routing

Conflicts:
	src/interactivity.coffee
	src/main.coffee
WIP
Merge branch 'master' into routing

Conflicts:
	src/interactivity.coffee
	src/main.coffee
	src/tubeEdges.coffee
	style.css
enabled transitions again, moved Optimizer away