More robust Kafka audit service implementation.
Refactored Eureka CLI.
Merge remote-tracking branch 'remotes/netflix/2.x' into 2.x

Conflicts:
	eureka-core/build.gradle
	eureka-test-utils/src/main/java/com/netflix/eureka2/rx/Observables.java
	gradle.properties
Apply Eureka server abstraction to the dashboard server.
Merge pull request #268 from tbak/2.x

2.x multiple updates