BAEL-434 Moved project from roo to spring-roo folder. (#1673)

* Code for Dependency Injection Article.

* Added Java based configuration. Downloaded formatter.xml and reformatted
all changed files. Manually changed tab into 4 spaces in XML
configuration files.

* BAEL-434 - Spring Roo project files generated by Spring Roo. No
formatting applied. Added POM, java and resources folders.

* Moved project from roo to spring-roo folder.

spring-roo/src/main/java/com/baeldung/RooApplication.java

@@ -0,0 +1,23 @@
+package com.baeldung;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+/**
+ * = RooApplication
+ *
+ * TODO Auto-generated class documentation
+ *
+ */
+@SpringBootApplication
+public class RooApplication {
+
+    /**
+     * TODO Auto-generated method documentation
+     *
+     * @param args
+     */
+    public static void main(String[] args) {
+        SpringApplication.run(RooApplication.class, args);
+    }
+}