public static String getVersion() {
		final String version = XdUtils.getSpringXdVersion();
		return (version != null ? version : "Unknown Version");
	}
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