opennlp-1.6.0-rc3
[maven-release-plugin] copy for tag opennlp-1.6.0-rc3

git-svn-id: https://svn.apache.org/repos/asf/opennlp/tags/opennlp-1.6.0-rc3@1676893 13f79535-47bb-0310-9956-ffa450edef68