Added Client#sendMessage(Message), closing socket on exit

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

@@ -246,8 +246,13 @@ public class ChatWindow extends JFrame {
 
 		if (!messageEnterTextArea.getText().isEmpty()) try {
 
-			// Create and send message object
+			// Create message
 			final Message message = new MessageBuilder(localDB.getUser(), currentChat.getRecipient()).setText(messageEnterTextArea.getText()).build();
+
+			// Send message
+			client.sendMessage(message);
+
+			// Add message to LocalDB and update UI
 			currentChat.appendMessage(message);
 			messageList.setModel(currentChat.getModel());