Change users being updated async and refactor update task

bungee/src/main/java/me/lucko/luckperms/LPBungeePlugin.java

@@ -75,7 +75,7 @@ public class LPBungeePlugin extends Plugin implements LuckPermsPlugin {
 
     @Override
     public void runUpdateTask() {
-        new UpdateTask(this).run();
+        doAsync(new UpdateTask(this));
     }
 
     @Override

bungee/src/main/java/me/lucko/luckperms/runnables/UpdateTask.java

@@ -1,23 +0,0 @@
-package me.lucko.luckperms.runnables;
-
-import lombok.AllArgsConstructor;
-import me.lucko.luckperms.LPBungeePlugin;
-import net.md_5.bungee.api.connection.ProxiedPlayer;
-
-@AllArgsConstructor
-public class UpdateTask implements Runnable {
-    private final LPBungeePlugin plugin;
-
-    @Override
-    public void run() {
-        plugin.getLogger().info("Running update task.");
-
-        // Re-load all of the groups
-        plugin.getGroupManager().loadAllGroups();
-
-        // Refresh all online users.
-        for (ProxiedPlayer p : plugin.getProxy().getPlayers()) {
-            plugin.getDatastore().loadUser(p.getUniqueId(), success -> {});
-        }
-    }
-}

bungee/src/main/java/me/lucko/luckperms/users/BungeeUserManager.java

@@ -41,4 +41,11 @@ public class BungeeUserManager extends UserManager {
     public User makeUser(UUID uuid, String username) {
         return new BungeeUser(uuid, username, plugin);
     }
+
+    @Override
+    public void updateAllUsers() {
+        for (ProxiedPlayer p : plugin.getProxy().getPlayers()) {
+            plugin.getDatastore().loadUser(p.getUniqueId());
+        }
+    }
 }