Change package names zero->boot

* actuator -> boot-ops
* cli -> boot-cli
* launcher -> boot-load
* autoconfig -> boot-config
* bootstrap -> boot-strap
* starters -> boot-up

[#54095231] [bs-253] Refactor Zero->Boot

spring-boot-cli/samples/integration.groovy

@@ -0,0 +1,17 @@
+package org.test
+
+@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")
+	}
+}