2.0.0.0-dev87

* Service layer updates:
  * Created Tax Calculation service
  * Implemented search Tax Rates(search criteria) in TaxRate service
  * Refactored Tax Helper to use Tax Service
  * Validated and ensured that after helper fix, all modules with cross-dependencies use Tax Services
  * Refactored Bundle, Catalog, Checkout, Customer, Downloadable, Review, Logging Modules to use Tax Services
  * Refactored Internal Tax Module Blocks/Templates to use Tax Services
* GitHub requests:
  * [#579] (https://github.com/magento/magento2/pull/579) -- update GA code from ga.js to analytics.js
  * [#584] (https://github.com/magento/magento2/issues/584) -- Merge and minify js - Exception
  * [#585] (https://github.com/magento/magento2/pull/585) -- Add forgotten return statement
  * [#592] (https://github.com/magento/magento2/issues/592) -- Module name pattern
* Tax calculation updates:
  * Separate and display Weee line item totals from Tax
* Fixed bugs:
  * Fixed an issue when Custom attribute template was not applied to a product  during product creation
  * Fixed an issue when report grid with no results contained unnecessary empty "total" section
  * Fixed an issue where MCRYPT_RIJNDAEL_128 Cipher was set instead of 256 version
  * Fixed an issue when inline translate script was always included in the page even if it was not used
  * Fixed an issue where URL Generation was affected by previously processed URLs
  * Fixed an issue with cross-site scripting vulnerability via cookie exploitation
  * Fixed an issue with incorrect success message after system variable was deleted
  * Fixed an issue with category page not opening if it had bundle product with fixed price assigned to it
  * Fixed an issue when subtotal price in a shopping cart was not updated if the product qty is changed
  * Fixed an issue when syntax error appeared while creating new Google Content attribute mapping
  * Fixed an issue with JS error when adding associated simple product to the grouped one
  * Fixed an issue with incorrect items label for the cases when there are more than one item in the category
  * Fixed an issue when configurable product was out of stock in Google Shopping while being in stock in the Magento backend
  * Fixed an issue when swipe gesture in menu widget was not supported on mobile
  * Fixed an issue when it was impossible to enter alpha-numeric zip code on the stage of  estimating shipping and tax rates
  * Fixed an issue when it was impossible to edit gift card account
  * Fixed an issue when custom price was not applied when editing an order
  * Fixed an issue when  items were  not returned to stock after unsuccessful order was placed
  * Fixed an issue when error message appeared "Cannot save the credit memo while creating credit memo
  * Fixed an issue when Catalog price rule was not shown for the product if price was less than a discount
* Indexer implementation:
  * Implemented a new Stock indexer
  * Implemented a new EAV indexer
  * Fixed failed L1 plan on phpunit 4.1.0
  * Minor updates for integration test framework
  * Split action controllers classes into action classes
  * Added public MTF repository to the packagist.org
* Added the following functional tests:
  * Create Admin User
  * Create Category
  * Create Custom Url Rewrite
  * Create Frontend Product Review
  * Delete CMS Page
  * Delete Product
  * Delete System Variable
  * Update Admin User Role
  * Update Product Review
* Indexer-less implementation of URL Rewrites functionality in new UrlRedirect module:
  * Ported Admin UI from old UrlRewrite module
  * Implemented URL Rewrites unified storage
* Covered the following Magento application components with unit tests:
  * `Magento/Bundle/Block/Sales/Order/Items/Renderer.php`
  * `Magento/Bundle/Helper/Catalog/Product/Configuration.php`
  * `Magento/Bundle/Helper/Data.php`
  * `Magento/Bundle/Model/Option.php`
  * `Magento/Bundle/Model/Plugin/PriceBackend.php`
  * `Magento/Bundle/Model/Product/Attribute/Source/Price/View.php`
  * `Magento/Bundle/Model/Sales/Order/Pdf/Items/AbstractItems.php`
  * `Magento/Catalog/Model/Product/Attribute/Source/Msrp/Type/Enabled.php`
  * `Magento/Catalog/Model/Product/Attribute/Source/Msrp/Type/Price.php`
  * `Magento/Catalog/Model/Product/Visibility.php`
  * `Magento/Eav/Model/Entity/Attribute/AbstractAttribute.php`
  * `Magento/Eav/Model/Entity/Attribute/Source/AbstractSource.php`
  * `Magento/Eav/Model/Entity/Attribute/Source/Boolean.php`
  * `Magento/Eav/Model/Entity/Attribute/Source/Table.php`
  * `Magento/Tax/Model/TaxClass/Source/Product.php`
* Covered Magento library with unit tests :
  * `lib/internal/Magento/Framework/Simplexml/Config/Cache/AbstractCache.php`
  * `lib/internal/Magento/Framework/Simplexml/Config.php`
  * `lib/internal/Magento/Framework/Stdlib/DateTime/DateTime.php`
  * `lib/internal/Magento/Framework/Stdlib/DateTime/Timezone.php`
  * `lib/internal/Magento/Framework/Stdlib/String.php`