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

bukkit/src/main/java/me/lucko/luckperms/bukkit/LPBukkitPlugin.java

@@ -105,8 +105,6 @@ import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.CountDownLatch;
 import java.util.stream.Stream;
 
-import javax.annotation.Nullable;
-
 /**
  * LuckPerms implementation for the Bukkit API.
  */
@@ -190,7 +188,7 @@ public class LPBukkitPlugin extends JavaPlugin implements LuckPermsPlugin {
     private void enable() {
         this.startTime = System.currentTimeMillis();
         sendStartupBanner(getConsoleSender());
-        this.verboseHandler = new VerboseHandler(this.scheduler.asyncBukkit(), getVersion());
+        this.verboseHandler = new VerboseHandler(this.scheduler.asyncBukkit());
         this.permissionVault = new PermissionVault(this.scheduler.asyncBukkit());
         this.logDispatcher = new LogDispatcher(this);
 
@@ -539,14 +537,13 @@ public class LPBukkitPlugin extends JavaPlugin implements LuckPermsPlugin {
         }
     }
 
-    @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