[bs-73] Tweak algorithm for detecting anonymous classes

@Bean definitions in Groovy that contain closures have the bean name in
the class name.  Ugh.  Added regex match to catch that.

[#48718891]

spring-bootstrap-cli/samples/worker.groovy

@@ -0,0 +1,20 @@
+package org.test
+
+@Grab("org.springframework.bootstrap:spring-bootstrap-service:0.0.1-SNAPSHOT")
+@Grab("org.springframework.integration:spring-integration-dsl-groovy-amqp:1.0.0.M1")
+
+@Component
+@EnableIntegrationPatterns
+class SpringIntegrationExample implements CommandLineRunner {
+
+	@Bean
+	MessageFlow flow(ApplicationContext context) {
+		def builder = new IntegrationBuilder(context)
+		builder.messageFlow { transform {"Hello, $it!"} }
+	}
+
+	@Override
+	void run(String... args) {
+		print flow().sendAndReceive("World")
+	}
+}