Spree::Klarna::Order added some documentation as comments. Refactored properties part
Spree::Klarna::Order spec: fix for incorrect specs
Spree::Klarna::Order- tax_rate calculation, and spec
Spree::Klarna::Order#properties - order_purchase_country, order_purchase_currency, order_locale; and specs
Spree::Klarna::Order spec: indentation
Merge pull request #3 from zerothabhishek/klarna_order_and_spec3

Klarna order and spec.