Merge branch '1.4.x' into 1.5.x

spring-boot-integration-tests/spring-boot-launch-script-tests/src/test/java/org/springframework/boot/launchscript/SysVinitLaunchScriptIT.java

@@ -255,7 +255,12 @@ public class SysVinitLaunchScriptIT {
 			return output.toString();
 		}
 		finally {
-			docker.removeContainerCmd(container).exec();
+			try {
+				docker.removeContainerCmd(container).exec();
+			}
+			catch (Exception ex) {
+				// Continue
+			}
 		}
 	}