cleaup server.js and fix bug where server had to be restarted to bootstrap VizTypes
cleaup server.js and fix bug where server had to be restarted to bootstrap VizTypes

kidaa/lightning,cournape/lightning,karissa/lightning,lightning-viz/lightning,cournape/lightning,deardooley/lightning,kidaa/lightning,deardooley/lightning,lightning-viz/lightning,origingod/lightning,origingod/lightning,karissa/lightning,Labushune/lightning,Labushune/lightning