* Add in new hook to format_currency() to allow the display prices to be changed with external modules, like a displaying in a different currency
* Changed the actual display of the currency to be a theme template to add easier control
- [DBH] ec_common/ec_common.module
- [DBH] ec_common/templates/format-currency-aft.tpl.php
- [DBH] ec_common/templates/format-currency.tpl.php
- [DBH] ec_common/templates/theme.inc