Flink 0.10.1-preview for hadoop 2.6.0 (HDP), with network address detection rework

Build mvn clean install -Dhadoop.version=2.6.0.2.2.6.0-2800 -Pvendor-repos -DskipTests
log4j.properties: log4j.logger.org.apache.flink.runtime.net.ConnectionUtils=DEBUG, file