Added logger

src/main/java/ru/windcorp/progressia/client/ProgressiaClientMain.java

@@ -17,11 +17,17 @@
  *******************************************************************************/
 package ru.windcorp.progressia.client;
 
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
 import ru.windcorp.progressia.ProgressiaLauncher;
 
 public class ProgressiaClientMain {
 
+	private static final Logger logger = LogManager.getLogger(ProgressiaClientMain.class.getName());
+
 	public static void main(String[] args) {
+		logger.info("App started!");
+
 		ProgressiaLauncher.launch(args, new ClientProxy());
 	}