slabs and stairs generate on ceiling

src/main/resources/lang/en_us.yml

@@ -11,6 +11,7 @@ command:
   players-only: "Command is for players only."
   world: "This command must be executed in a Terra world!"
   reload: "Reloaded Terra config."
+  reload-error: "Errors occurred while reloading Terra configurations. See logs for more information."
   version: "This server is running Terra version \"%1$s\", implementing Gaea version \"%2$s\""
   main-menu:
     - "--------------------Terra--------------------"