New Plugin: Exchange Rate

Is anyone interested in such a plugin? Please let me know.

  1. eur:2000 will convert the value (from your default currency) to Euro
  2. usd:gbp will display the rate for 1 USD = 0.88 GBP
    Optionally you could display the date for the above result.
    Another option would be to show the actual currency flag instead of the currency ticker