Authenticate user the right way

Fix #1335
Add Cancelled payment state translation
Merge pull request #1341 from winzou/fix/paymentstate

[Payment] Add Cancelled payment state translation
Merge pull request #1340 from winzou/fix/authentication

[Core] Authenticate user the right way
Update and add missing readme files for v0.9.0 release
Bind action when buttons are dynamically loaded 

If confirmation buttons are loaded in the page via ajax this click event is not binded, with this minor change every time a button with class 'btn-confirm' is loaded into the page the click event will bind to it.
Merge pull request #1348 from gonzalovilaseca/patch-1

Bind action when buttons are dynamically loaded
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