Merge remote-tracking branch 'origin/tp31'

Conflicts:
	giraph-gremlin/pom.xml
	gremlin-archetype/gremlin-archetype-server/pom.xml
	gremlin-archetype/gremlin-archetype-tinkergraph/pom.xml
	gremlin-archetype/pom.xml
	gremlin-console/pom.xml
	gremlin-core/pom.xml
	gremlin-driver/pom.xml
	gremlin-groovy-test/pom.xml
	gremlin-groovy/pom.xml
	gremlin-server/pom.xml
	gremlin-shaded/pom.xml
	gremlin-test/pom.xml
	hadoop-gremlin/pom.xml
	neo4j-gremlin/pom.xml
	pom.xml
	spark-gremlin/pom.xml
	tinkergraph-gremlin/pom.xml