KIJIMR-294. Add group ID to maven-archetype-plugin.
KIJIMR-294. Add group ID to maven-archetype-plugin.

issue: https://jira.kiji.org/browse/KIJIMR-294
review: https://review.kiji.org/r/2062

iafek/kiji-mapreduce,kijiproject/kiji-mapreduce,iafek/kiji-mapreduce,kijiproject/kiji-mapreduce,kijiproject/kiji-mapreduce