tweaks the sigma.js parameters to make it work for larger networks
tweaks the sigma.js parameters to make it work for larger networks

candsvincent/edgesense,candsvincent/edgesense,Wikitalia/edgesense,Wikitalia/edgesense,Wikitalia/edgesense,candsvincent/edgesense,Wikitalia/edgesense,candsvincent/edgesense