#BAEL-100 tests and update spring boot to 1.5.1.RELEASE (#1135)

* add tests for #BAEL-100 and upgrade spring boot to 1.5.1.RELEASE

* uncomment integration test configurations

spring-boot/src/main/java/com/baeldung/annotation/servletcomponentscan/SpringBootAnnotatedApp.java

@@ -0,0 +1,25 @@
+package com.baeldung.annotation.servletcomponentscan;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.web.servlet.ServletComponentScan;
+
+/**
+ * using the following annotations are equivalent:
+ * <ul><li>
+ * <code>@ServletComponentScan</code>
+ * </li><li>
+ * <code>@ServletComponentScan(basePackages = "com.baeldung.annotation.servletcomponentscan.javaee")</code>
+ * </li><li>
+ * <code>@ServletComponentScan(basePackageClasses = {AttrListener.class, HelloFilter.class, HelloServlet.class, EchoServlet.class})</code>
+ * </li></ul>
+ */
+@SpringBootApplication
+@ServletComponentScan("com.baeldung.annotation.servletcomponentscan.javaee")
+public class SpringBootAnnotatedApp {
+
+    public static void main(String[] args) {
+        SpringApplication.run(SpringBootAnnotatedApp.class, args);
+    }
+
+}