Adding fictional Currency

[rajmahendra]

We need to provide some Custom Currency. It may be from any fairytale, video game, novel etc any currency we feel that we can use it with the application. They may make some part of the application look really funny but still, some how we need to showcase the extension feature of JavaMoney feature.

Some example are http://en.wikipedia.org/wiki/List_of_fictional_currencies

https://github.com/JavaMoney/javamoney/blob/master/money-impl/ri/src/main/java/net/java/javamoney/ri/convert/provider/EZBExchangeRateProvider.java