We're currently pulling in version 1.6 - I think we should upgrade to the latest 1.10.
Uplift to commons-configuration 1.9
Fix up Hadoop POMs, roll up JARs to latest versions
HadoopTimelineMetricsSink breaks after Hadoop 3 alpha2
Provide a migration path to commons-configuration2 to better support Hadoop 3
explicitly declare the commons-lang3 dependency as 3.4