Partial fix for OPENDJ-39: Consider rebranding OpenDS -> OpenDJ in 3.0 tree

Matthew Swift

23.39.2011 5491b25ff97dc85c5cc0ac8a6f87a86e5107156b

opendj3/opendj-maven-checkstyle/pom.xml does not exist in tree 1ea77935b6d255a25b5d3711cd5322f268f18dcf