* GH-3111: Document @Lazy for messaging annotations Fixes https://github.com/spring-projects/spring-integration/issues/3111 Fixes https://github.com/spring-projects/spring-integration/issues/3130 * Fix some typos in docs * Ensure in tests that announced `@Lazy` works as expected * Doc Polishing Co-authored-by: Gary Russell <grussell@pivotal.io>