Tritium 0.10.1

• TaggedMetricRegistry composability (#81)
  • Frequently libraries produce metrics, but the context of usage is not known (e.g. Atlas metrics are coupled to an Atlas client, Spark metrics are tied to a job). In this case, if a caller has multiple metric registries, they can add the child metrics to the parent with a tag, so that they can be distinguished.
• Upgrades gradle wrapper to the latest version (#79)
• Update bintray plugin to fix Gradle 4.8 incompatibility (#80)