Changes for the week ending 2015-06-21

Changes for the week ending 2015-06-21:

v2.0: Fix for duplicate shipto records being created when modifying a multiship subscription.
v2.0: Fix for the JSON total_future_shipping being set incorrectly for some multiship orders.
v2.0: Fix for taxes not being displayed correctly in the receipt for flat rate shipping multiship orders.
v2.0: Fix for PayPal Express Checkout (beta) not keeping the PayPal Payer email in the case of a checkout error.
v2.0: Renaming the “Union” tax to “European Union” tax to clarify usage.

Changes for the week ending 2014-1-05