Use IP+Port

... getting the IPV4 rather than default which wasn't working
... and improved error message.
Eureka 2.0.0-DP2
Remove Data for Instance When Instance Terminates
Merge pull request #57 from benjchristensen/instance-termination

Support Removal of Data when Instance Terminates
RxJava 1.0.0
Merge pull request #58 from benjchristensen/dependency-upgrade

RxJava 1.0.0
Merge pull request #56 from qiangdavidliu/2.x

Update eureka 2.0 client version