BAEL-1850 (#4744)

* Micronaut server

* More server stuff; create client and test

* Rename directory, new concerete client example

* Remove hello-world directory from micronaut

* Update MavenWrapperDownloader.java

micronaut/.mvn/wrapper/MavenWrapperDownloader.java

@@ -106,5 +106,4 @@ public class MavenWrapperDownloader {
         fos.close();
         rbc.close();
     }
-
 }