Add a bunch of new things

* support for zipkin server

* if eureka isn't running disable the client

* add --list option to list deployables

spring-cloud-launcher/spring-cloud-launcher-cli/pom.xml

@@ -5,7 +5,6 @@
 
 	<groupId>org.springframework.cloud.launcher</groupId>
 	<artifactId>spring-cloud-launcher-cli</artifactId>
-	<version>1.2.0.BUILD-SNAPSHOT</version>
 	<packaging>jar</packaging>
 
 	<name>spring-cloud-launcher-cli</name>