Provide better groupId in example for Maven plugin archetype

For plugins we normally use
  com.googlesource.gerrit.plugins.<plugin-name>
as groupId and package name.

Change-Id: I03dac0dd008ca51b75c203a916f891977cef50f3
Signed-off-by: Edwin Kempin <edwin.kempin@sap.com>
1 file changed