Make the spout's Storm Metrics' time bucket size configurable via
TridentKafkaConfig. Leave the default time bucket size at 60 seconds.
Update pom.xml

Revert custom changes
Merge pull request #22 from dschiavu/configurable-metrics-emit-interval

Make the spout's Storm metrics time bucket size configurable via TridentKafkaConfig. Leave the default time bucket size at 60 seconds.