* Add circuit breaker to the getVisitsForPets method

* Use Collections.emptyMap()

* Fallback method with private visibility

* Unit test Hystrix fallback method

* #17 Add a Hystrix Dashboard application

* Fix hystrix-dashboard container name

* Add alpine jre and dockerize script

* Add docker build argument DOCKERIZE_VERSION

* Increase memory limit

* Use dockerize instead of wait-for-it script

* Update documentation dockerize script

* Remove unnecessary ports

* Revert "Remove unnecessary ports"

This reverts commit a605aaf

* Set memory limit to 512M

* Merge openzipkin

* Remove obsolete links

* Fix honoring memory limits for openzipkin

* #72 Upgrade to Spring Cloud Finchley M9

* #72 Upgrade to Spring Boot 2.0.1

* #72 Remove @Deprecated API usage

* #72 Upgrade to Spring Cloud Finchley RC2, Spring Boot 2.0.2, Sleuth 2.0.0.RC2, Zipkin Server 2.8.4

* #72 Registering the index ViewController is no more required

* For logging, implement the toString() method of the Pet entity

* #72 Upgrade to Spring Boot Admin 2.0.0

* #72 Add @NoArgsConstructor required for Jackson deserialization

* #72 Upgrade to Spring Boot 2.0.3

* #72 Upgrade to Spring Cloud Finchley RELEASE

* Change Zipkin local host URL

* #72 changes requested by the @mszarlinski code review

* Upgrade to Spring Cloud Camden.SR5 and Spring Boot 1.5

* #44 Fix maven project versionning