Fix standalone charts sample to work with latest API
Fix standalone charts sample to work with latest API

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