2.0.0.0-dev77

* Themes update:
  * Blank theme was refactored to implement the mobile-first approach
* Fixed bugs:
  * Fixed an issue where it was impossible to place order using store credit
  * Fixed an issue where adding products with custom options from a wishlist to shopping cart caused an error
  * Fixed an issue where it was impossible to add a product to the shopping cart from the Wishlist sidebar
  * Fixed an issue where the Add to Wishlist drop-down arrow was missed on the category page on the frontend
  * Fixed an issue where it was impossible to manage multiple wishlists on the frontend if FPC was disabled
  * Fixed an issue where prices with taxes were not displayed on the category and product pages on the frontend
  * Fixed an issue where it was impossible to store cache when using either Varnish or built-in cache
  * Fixed an issue where all refactored indexers were in the REINDEX REQUIRED status after installation
  * Fixed an issue where admins with limited access could perform operations not allowed by role permissions
  * Fixed an issue where http links were generated instead of https links
  * Fixed an issue where it was impossible to use Subcategories when building a condition for a catalog price rule
  * Fixed an issue where a registered customer could not place an order using PayPal Payments Advanced
  * Fixed an issue where PayPal Settlement report was empty
  * Fixed an issue where a newly created subcategory was still active after switching to the Default category
  * Fixed an issue where it was impossible to save changes or remove a customer address on the backend
  * Fixed an issue where for an admin with restricted permissions previewing a newsletter template caused a fatal error
  * Fixed an issue where it was impossible to save a Tax Rate if specified that Zip was a range, and the Zip/Post Code field was left empty
  * Fixed an issue where Puerto Rico was listed both as a state and as a country
  * Fixed an issue where the Special Price was displayed instead of the place of Original Price in the Items Ordered column if the orders list.
  * Fixed an issue in Widget configuration where category check boxes did not stay selected when Anchor Categories were specified in the Display On drop-down list.
  * Fixed an issue where admin user password confirmation was not validated on the server side
  * Fixed an issue where adding a customer review caused an error
  * Fixed an issue where the incorrect error messages were displayed if an invalid email was entered during admin user or customer creation
  * Fixed an issue with the Debug section in developer settings, which should only be displayed for the website or store view scope level
  * Fixed an issue where the fatal error was displayed after uninstall if during installation it was specified to save session in the database
  * Fixed an issue where a wrong error message was displayed when a non-existing database was specified when installing Magento using the console install script
  * Fixed an issue where it was impossible to add products from a wishlist to a shopping cart
  * Fixed an issue where an error appeared after Magento installation
  * Improved the Blank theme UI
  * Fixed an issue with a zooming product image overlapped by category design on the frontend
  * Fixed an issue where it was impossible to select only billing or only shipping address when editing the user address on the frontend
  * Fixed an issue where it was impossible to view a Wishlist in the Wishlist Search widget
  * Fixed an issue where partial cache invalidation did not work for built-in caching
  * Fixed an issue where it was impossible to find a catalog event using the Countdown Ticker grid filter if the event had been specified to be displayed on both category and product pages
  * Fixed incorrect error messages displayed during customer registration
  * Fixed an issue where product attributes from other store views were displayed for products in a Wishlist
  * Fixed an issue where it was impossible to place an order without the CheckoutAgreements module
  * Fixed an issue where the Media Image attribute type was not available when creating the product attribute
  * Fixed an issue with incorrect label attribute for the State/Province drop-down list on the Shipping Information tab
  * Fixed an issue where using only digits in the SKU field of configurable products led to a confusing behavior
  * Fixed an issue where a catalog price rule was not shown on the catalog and product pages on the frontend
  * Fixed an issue where Recurring Profiles (payments) were available on the frontend for any registered user who had the URL
  * Fixed an issue where a credit card frame was absent on the Payment Information step of Onepage Checkout, if there was only one payment method with a credit card available
  * Fixed an issued where it was impossible to use inline translate for the My Account and Register links on the frontend
  * Fixed an issue where it was impossible to activate a customer using REST
  * Fixed an issue with the undefined version_compate method called in \lib\Magento\Connect\Validator.php
  * Fixed an issue with invalid XML formatting of Boolean in REST response
  * Fixed an issue where it was impossible to perform installation using index.php from the pub folder (problem with JS and CSS)
  * Fixed an issue where the Multiple Wishlist functionality did not work correctly with enabled Full Page Cache in the Chrome browser
  * Fixed an issue where it was impossible to change an admin frontname using console installation
  * Fixed an exception on the Transaction page when searching by payment method
  * Fixed an issue where the "Add to wishlist" link was displayed in catalog even when the Wishlist functionality was disabled
  * Fixed an issue where the system was broken if an admin user unassigned his own role
  * Fixed an issue with exceptions thrown on attempt to export products for users with store-level restrictions
  * Fixed an issue where two loaders were displayed when saving a category
  * Fixed an issue where it was impossible to search for a newsletter in the Newsletter grid
  * Fixed an issue where the displayed currency and product price were not changed after switching to a new currency
  * Fixed an issue with frontend crashing when deleting a product from a mini shopping cart
  * Fixed an issue where it was impossible to add a bundle product to a shopping cart
  * Fixed an issue where a configurable product base image disappeared when selecting product variations
* Functional tests:
  * Functional end-to-end tests publication
     * Bundle product
     * Category
     * Customer
     * Configurable product
     * Downloadable product
     * Newsletter
     * Review
     * Simple product
     * Sitemap
     * Store
     * Tax Rule
     * User
     * Virtual product
* Service layer updates:
  * Move CurrentCustomerService from Service to Helper
* GitHub requests:
  * [#544] (https://github.com/magento/magento2/issues/544) Performance tests not working
  * [#554] (https://github.com/magento/magento2/pull/554) Performance tests - Fix jmeter output format
  * [#525] (https://github.com/magento/magento2/pull/525) Fix typo in FS Generator help message
  * [#563] (https://github.com/magento/magento2/issues/563) Admin Login not working #563