Added a //help command.

src/main/java/com/sk89q/worldedit/WorldEdit.java

@@ -983,6 +983,13 @@ public class WorldEdit {
         return commands.getCommands();
     }
 
+    /**
+     * @return the commands
+     */
+    public CommandsManager<LocalPlayer> getCommandsManager() {
+        return commands;
+    }
+
     /**
      *
      * @param player