Expose container's ipaddress as a maven property, so that it can be used by other plugin(like failsafe)
add new method to extract the ip address, and expose them by default
using __CONTAINER.IP__ as a placeholder in conf.yml for healthcheck
Merge branch 'master' of https://github.com/changgengli/docker-java-orchestration

Conflicts:
	docker-java-orchestration-core/src/main/java/com/alexecollins/docker/orchestration/DockerOrchestrator.java
	docker-java-orchestration-model/src/main/java/com/alexecollins/docker/orchestration/model/Conf.java