modified property handling for variants
fixed default value for get_pay_link filter
display selected property value
added missing loads
added can_be_paid check for e-mails
fixed ecommerce tracking code
Merge pull request #9 from pigletto/master

Fixes for get_pay_link default value and variant's properties
Fix issue #57
added loop for order items
Merge pull request #12 from pigletto/master

Fix for issue #57 and ecommerce tracking code
modified currency format
Merge branch 'master' into prices