[FEATURE] Уведомление о latest релизе на github.

LaunchServer/build.gradle

@@ -44,8 +44,9 @@ pack project(':libLauncher')
 	bundle 'org.fusesource.jansi:jansi:1.17.1'
 	bundle 'commons-io:commons-io:2.6'
 	bundle 'commons-codec:commons-codec:1.11'
-	bundle 'org.javassist:javassist:3.23.1-GA'
+	bundle 'org.javassist:javassist:3.24.1-GA'
 	bundle 'io.netty:netty-all:4.1.32.Final'
+	bundle 'org.kohsuke:github-api:1.95'
 
 	bundle 'org.slf4j:slf4j-simple:1.7.25'
 	bundle 'org.slf4j:slf4j-api:1.7.25'

LaunchServer/src/main/java/ru/gravit/launchserver/LaunchServer.java

@@ -111,7 +111,6 @@ public static final class Config {
 
         public String startScript;
 
-
         public String getAddress() {
             return address;
         }
@@ -439,6 +438,8 @@ public LaunchServer(Path dir, String[] args) throws IOException, InvalidKeySpecE
 
         // post init modules
         modulesManager.postInitModules();
+        // start updater
+        new Updater(this);
     }
 
     public static void initGson() {

LaunchServer/src/main/java/ru/gravit/launchserver/Updater.java

@@ -0,0 +1,53 @@
+package ru.gravit.launchserver;
+
+import java.io.IOException;
+import java.time.Instant;
+import java.time.LocalDateTime;
+import java.time.ZoneId;
+import java.time.format.DateTimeFormatter;
+import java.util.Date;
+import java.util.Locale;
+import java.util.Timer;
+import java.util.TimerTask;
+
+import org.kohsuke.github.GHRelease;
+import org.kohsuke.github.GHRepository;
+import org.kohsuke.github.GitHub;
+
+import ru.gravit.utils.helper.LogHelper;
+
+public class Updater extends TimerTask {
+	private static final DateTimeFormatter DATE_TIME_FORMATTER = DateTimeFormatter.ofPattern("yyyy.MM.dd HH:mm:ss", Locale.US);
+	private static final long period = 1000*3600;
+	private final Timer taskPool;
+	private final GHRepository gravitLauncher;
+	private GHRelease parenRel = null;
+
+	public Updater(LaunchServer srv) {
+		this.taskPool = new Timer("Updater thread", true);
+
+		GHRepository gravitLauncherTmp = null;
+		try {
+			gravitLauncherTmp  = GitHub.connectAnonymously().getOrganization("GravitLauncher").getRepository("Launcher");
+		} catch (IOException e) {
+			LogHelper.error(e);
+		}
+		this.gravitLauncher = gravitLauncherTmp;
+
+		run();
+		taskPool.schedule(this, new Date(System.currentTimeMillis()+period), period);
+	}
+
+	@Override
+	public void run() {
+		try {
+			GHRelease rel = gravitLauncher.getLatestRelease();
+			if (rel.equals(parenRel)) return;
+			LogHelper.warning("Latest release: %s", rel.getName());
+			LogHelper.warning("It`s published at: " + DATE_TIME_FORMATTER.format(LocalDateTime.ofInstant(Instant.ofEpochMilli(rel.getPublished_at().getTime()), ZoneId.systemDefault())));
+		} catch (IOException e) {
+			LogHelper.error(e);
+		}
+	}
+	
+}

ServerWrapper/src/main/java/ru/gravit/launcher/server/ServerAgent.java

@@ -10,7 +10,6 @@
 import java.lang.invoke.MethodType;
 import java.nio.file.*;
 import java.nio.file.attribute.BasicFileAttributes;
-import java.util.Collections;
 import java.util.jar.JarFile;
 
 public class ServerAgent {