1.3.5

#696 NullPointException thrown if application name is not defined
#698 Backup registry configured via property is overridden with void implementation
#701 Thread pools in eureka-client create non-daemon threads
#706 set source compatibility in build.gradle as java8 apis have bleed into code
#713 Fix for issue #711
#710 update to latest karyon3 and better integration for eureka-server-karyon3
#714 Remove dependency on blitz4j
#716 Client InstanceInfo default address resolution
#720 Upgrade netflix-eventbus to purge the transitive dependency on findbugs
#721 Improve backwards compatibility with legacy eureka-client