Correct discrepancies between item display names and currency names that occur when the currency is renamed.

[dmccoystephenson]

Renaming a currency can cause discrepancies between the names of existing currency items and the currency's name. We should correct these discrepancies somehow.

Currencies 1 corrected these discrepancies when the item was right-clicked by the player. We may want to look into a better method this time around.

[ponkersboard]

still doesnt work for my server