public static String displayBanner(String containerName,
			String additionalMessage) {
		StringBuffer sb = new StringBuffer(LINE_SEPARATOR);
		sb.append(getBanner())
				.append(StringUtils.isEmpty(additionalMessage) ? ""
						: additionalMessage)
				.append(LINE_SEPARATOR)
				.append(StringUtils.isEmpty(containerName) ? ""
						: "Started : " + containerName)
				.append(LINE_SEPARATOR)
				.append("Documentation: http://docs.spring.io/spring-xd/docs/current/reference/html/")
				.append(LINE_SEPARATOR);
		return sb.toString();
	}
Retrieves the ASCII resource "banner.txt" from the classpath. Will also use the version number from
"MANIFEST.MF".

Similar to {@link org.springframework.shell.plugin.support.DefaultBannerProvider}.

@return String representing the Banner.
spring-xd-dirt/src/main/java/org/springframework/xd/dirt/util/BannerUtils.java