Issue #552: Upgrade flot-d3-stack to fix percent hover values
Issue #552: Upgrade flot-d3-stack to fix percent hover values

urbanairship/tessera,urbanairship/tessera,tessera-metrics/tessera,tessera-metrics/tessera,aalpern/tessera,urbanairship/tessera,aalpern/tessera,urbanairship/tessera,tessera-metrics/tessera,urbanairship/tessera,aalpern/tessera,tessera-metrics/tessera,aalpern/tessera,aalpern/tessera,tessera-metrics/tessera