Fix for issue #29

Merge branch 'master' of https://github.com/Netflix/eureka

Conflicts:
	eureka-core/src/main/java/com/netflix/eureka/resources/ResponseCache.java
	gradle.properties
	gradle/release.gradle
Incorporated review comments:

1) Key.EntityType better signify the contents with a first class nullable regions array
 2) Added javadoc for the remoteRegionurlWithName property value format.
Merge remote-tracking branch 'origin/master'

Conflicts:
	eureka-core/src/main/java/com/netflix/eureka/InstanceRegistry.java
	eureka-core/src/main/java/com/netflix/eureka/resources/ApplicationsResource.java