Use skipper 1.0 RC4

Author: markpollack

pom.xml

@@ -29,7 +29,7 @@
 		<spring-cloud-deployer.version>1.3.0.RC1</spring-cloud-deployer.version>
 		<spring-cloud-deployer-local.version>1.3.0.RC1</spring-cloud-deployer-local.version>
 
-		<spring-cloud-skipper.version>1.0.0.BUILD-SNAPSHOT</spring-cloud-skipper.version>
+		<spring-cloud-skipper.version>1.0.0.RC4</spring-cloud-skipper.version>
 		<!-- Note: Change ./spring-cloud-dataflow-server-local/pom.xml to match the spring-boot.version -->
 		<spring-boot.version>1.5.9.RELEASE</spring-boot.version>