Update and add missing readme files for v0.9.0 release
Creating Addressing component
Fixing references to AddressingBundle classes
composer.json for Addressing component
Creating Inventory component
Fixing references to InventoryBundle classes
composer.json, CHANGELOG, LICENCE and README for Addressing component
composer.json, CHANGELOG, LICENCE and README for Inventory component
Moving province validation outside Address model
Creating Money component
Create Promotion component
Rename PromotionsBundle into PromotionBundle
Creating Taxation component
Fixing references to TaxationBundle classes
composer.json, CHANGELOG, LICENCE and README for Taxation component
Creating Shipping component
Fixing references to ShippingBundle classes
composer.json, CHANGELOG, LICENCE and README for Shipping component

Fixing FQCN
Creating Payment component
Rename PaymentsBundle into PaymentBundle
Initial extraction of order component & fixes to Promotion and Payment
Added cart component