Added the display of multi-line messages (#115)

* Added multi-line messages

* Added shutdown method for LoginDialog

* Fixed login bug in LoginDialog

* Added a maximum length for messages

* Implemented update of component list elements on resizing

* Improved visual appearance of some files

src/main/java/envoy/client/ui/Startup.java

@@ -51,7 +51,6 @@ public class Startup {
 	 */
 	public static void main(String[] args) {
 		ClientConfig config = ClientConfig.getInstance();
-
 		SwingUtilities.invokeLater(() -> chatWindow = new ChatWindow());
 
 		try {