copperegg_default_config.json as a good starting configuration for metric groups and dashboards for monitoring your jvms and tomcat servers.
copperegg_config.json is a config file specifically for the Cocktail App demo.
copperegg_jmxtrans.json is also set up for the Cocktail App demo; copy it to jmxtrans.json, add your CopperEgg APIKey, and you are good to go.
Clean-up of the copperegg-specific jmxtrans.json file.