Refactor TrackerEvents for event payload creation (close #291)#293

Miranda Wilson (mscwilson) merged 7 commits into

release/0.12.0snowplow/snowplow-java-tracker:release/0.12.0from

issue/291-refactor_trackereventsnowplow/snowplow-java-tracker:issue/291-refactor_trackereventCopy head branch name to clipboard