* Various improvements:
* Merged SQL and Data Upgrades for the Tax, Weee, Customer, CustomerImportExport, ProductAlert, Sendfriend and Wishlist modules
* Added 'Interface' suffix to all interface names
* Stabilized functional tests for the following modules:
* CheckoutAgreements
* Customer
* GiftMessage
* Integration
* Msrp
* Reports
* Added the following functional tests:
* Create product attribute from product page
* Fixed bugs:
* Fixed an issue where bundle product price doubled during backend order creation
* Fixed an issue where an error was thrown during Tax Rate creation, deletion and update
* Fixed an issue where FPT was doubled when creating a refund if two FPTs were applied, and as a result the refund could not be created
* Fixed an issue where the subtotal including tax field was not refreshed after removing downloadable product from cart
* Fixed an issue where a downloadable link tax was not added to a product price on the product page if price was displayed including tax
* Fixed an issue with incorrect product prices for bundle products in shopping cart
* Fixed an issue where bundle product price was calculated incorrectly on the product page
* Fixed an issue where configurable product options were not updated after changing currency
* Fixed an issue where a standalone simple product and the same product as part of the grouped, were not recognized as one product in the shopping cart.
* Fixed an issue where the incorrect tier pricing information was displayed in shopping cart
* Fixed an issue where no notice was displayed in the shopping cart for products with MAP enabled
* Fixed an issue where it was impossible to place an order from customer page in Admin
* Fixed an issue where it was impossible to add address for a customer in Admin
* Fixed an issue with broken redirect URL after deleting a product from the My Wishlist widget
* Fixed an issue where it was impossible to assign an admin user to a user role
* Service Contracts:
* Implemented Service Contracts for the CatalogInventory Module
* Framework Improvements:
* Added the ability to configure the list of loaded modules before installation
* Added the ability to use the Composer autoloader instead of the Magento custom autoloaders for tests
* Introduced a repository for storing a quote entity
* Performance improvements:
* Split Magento\Customer\Helper\Data
* Processed GitHub requests:
* [#731](https://github.com/magento/magento2/issues/731) -- Filter grid is absent on CMS Pages in Backend
