Bump SF and amqp-client versions

Author: garyrussell

build.gradle

@@ -95,10 +95,10 @@ subprojects { subproject ->
 		log4jVersion = '2.8.2'
 		logbackVersion = '1.2.3'
 		mockitoVersion = '2.11.0'
-		rabbitmqVersion = project.hasProperty('rabbitmqVersion') ? project.rabbitmqVersion : '5.0.0'
+		rabbitmqVersion = project.hasProperty('rabbitmqVersion') ? project.rabbitmqVersion : '5.1.2'
 		rabbitmqHttpClientVersion = '1.3.1.RELEASE'
 
-		springVersion = project.hasProperty('springVersion') ? project.springVersion : '5.0.2.RELEASE'
+		springVersion = project.hasProperty('springVersion') ? project.springVersion : '5.0.3.RELEASE'
 
 		springRetryVersion = '1.2.1.RELEASE'
 	}