Improve force layout algorithm settings a *lot*:
Improve force layout algorithm settings a *lot*:

 * Higher friction to reduce nervousness
 * Link distance depends on vertex states and degrees
 * Re-Layouting a lot less hectic now, can re-layout on each reload

mageru/signal-collect,uzh/signal-collect,hicolour/signal-collect,uzh/signal-collect,mageru/signal-collect,hicolour/signal-collect