Update player's permission when opping.

src/main/java/me/totalfreedom/totalfreedommod/command/Command_op.java

@@ -41,6 +41,7 @@ public class Command_op extends FreedomCommand
                     matchedPlayerNames.add(player.getName());
                     player.setOp(true);
                     player.sendMessage(FreedomCommand.YOU_ARE_OP);
+                    plugin.rm.updateDisplay(player);
                 }
             }
         }