Upgrade d3 from 2.4.8 to 3.5.5 and d3-tip from 0.6.6 to 0.6.7
Upgrade d3 from 2.4.8 to 3.5.5 and d3-tip from 0.6.6 to 0.6.7

ammendonca/hawkular-charts,mtho11/hawkular-charts,ammendonca/hawkular-charts,lzoubek/hawkular-charts,hawkular/hawkular-charts,hawkular/hawkular-charts,ammendonca/hawkular-charts,tsegismont/hawkular-charts,hawkular/hawkular-charts,mtho11/hawkular-charts,lzoubek/hawkular-charts,mwringe/hawkular-charts,mwringe/hawkular-charts,tsegismont/hawkular-charts,tsegismont/hawkular-charts,mtho11/hawkular-charts,mwringe/hawkular-charts,lzoubek/hawkular-charts