Release v0.3.3

- fixed typo for block "email_plain_order_ownerpaymentinfo"
- added "Bitcoin Accepted Here" for startpage sidebar
- special thanks to Adam from FreshCaps - freshcaps.de
Release v0.3.4

- added bitcoinaverage.com as exchange rate source
- special thanks to Kalle from VeganWonderland - vegan-wonderland.de