Replace other occurences of 'orginator' with source for adjustment
add missimg attributes in strong params
Remove no longer supported 'fire_event' from controller
Add create_adjustment method to spree/gift_card
Update calc for changes to spree order tax api
Require spree 2-2-stable
Fix broken specs (adjustment orginator -> source )
Get some feature specs passing
More fixes for feature specs
Update assets to fix test suite