Update web related functionality to point to new locations and APIs (#770) (#784)

nukkit/src/main/java/me/lucko/luckperms/nukkit/LPNukkitPlugin.java

@@ -103,8 +103,6 @@ import java.util.UUID;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.stream.Stream;
 
-import javax.annotation.Nullable;
-
 /**
  * LuckPerms implementation for the Nukkit API.
  */
@@ -157,7 +155,7 @@ public class LPNukkitPlugin extends PluginBase implements LuckPermsPlugin {
     public void onEnable() {
         this.startTime = System.currentTimeMillis();
         sendStartupBanner(getConsoleSender());
-        this.verboseHandler = new VerboseHandler(this.scheduler.asyncNukkit(), getVersion());
+        this.verboseHandler = new VerboseHandler(this.scheduler.asyncNukkit());
         this.permissionVault = new PermissionVault(this.scheduler.asyncNukkit());
         this.logDispatcher = new LogDispatcher(this);
 
@@ -469,14 +467,13 @@ public class LPNukkitPlugin extends PluginBase implements LuckPermsPlugin {
         return Optional.empty();
     }
 
-    @Nullable
     @Override
-    public Contexts getContextForUser(User user) {
+    public Optional<Contexts> getContextForUser(User user) {
         Player player = getPlayer(user);
         if (player == null) {
-            return null;
+            return Optional.empty();
         }
-        return this.contextManager.getApplicableContexts(player);
+        return Optional.of(this.contextManager.getApplicableContexts(player));
     }
 
     @Override