- Added section to check for php7 module

 - create deploy module to contain the mode set command
 - added library functionality of recursively changing permissions

 - create deploy module to contain the mode set command
 - added library functionality of recursively changing permissions

 - update .htaccess per proposal
 - update same .htaccess file

-- MAGETWO-35868:  [Admin] Applying Enhanced Grid Component to Product Grid
-- htaccess revert

-- MAGETWO-35868:  [Admin] Applying Enhanced Grid Component to Product Grid
-- refactoring

 - return blank page if bad version found

 - use plugin to send xFrameOptions header when response is sent
 - get inject header value into plugin via DI argument injection
 - setup a config field in env.php to contain non-backend header values

- necessary changes after sync with mainline, cleanup

  - MAGETWO-33055: Check up CI builds

- CR changes

* Various improvements:
    * Refactored Service Layer of the Magento_Tax Module
    * Stabilized functional tests for the Backend module
    * Stabilized functional tests for the CatalogRule module
    * Stabilized functional tests for the Checkout module
    * Stabilized functional tests for the CurrencySymbol module
    * Stabilized functional tests for the Shipping module
    * Stabilized functional tests for the Tax module
    * Stabilized functional tests for the User module
* Added Readme.md files to the following modules:
    * Magento\RequireJs
    * Magento\Ui
* Fixed bugs:
    * Fixed an issue where product image assignment to a store view was not considered when displaying a product
    * Fixed shipping address area blinking when billing address is filled during checkout with a virtual product
    * Fixed an issue where filter_store.html was not found
    * Fixed an issue where the customer account access menu did not expand on the storefront
    * Fixed an issue where CMS blocks did not open when clicking from a grid
    * Fixed an issue where the Create Product page was completely blocked after closing the New Attribute pop-up
    * Fixed an issue where Stock Status was disabled for Bundle and Grouped products
    * Fixed an issue where a product could not be saved without filling a not required bundle option
    * Fixed broken "per page" selectors on the Customer's account pages
    * Fixed the wrong behavior of JS loaders on the storefront pages
    * Fixed Shopping cart price rule form validation
    * Fixed an issue where the 'Please wait' spinner persisted when creating a customer custom attribute with existing code
    * Fixed a Google Chrome specific issue where subcategories were not displayed correctly on the first hover for category item
    * Fixed an issue where the 'Please wait' spinner did not disappear when creating customer with invalid email
    * Fixed an issue where the Username field auto-focus on admin login page revealed password in case of fast typing
    * Fixed an issue where Bundle Product original Price was not displayed in case of discount
    * Fixed wrong discount calculation for bundle options
    * Fixed an issue where wrong discount and total amounts were displayed on the order creation page when reordering an order with a bundle product in the Admin panel
    * Fixed an issue where admin tax notifications did not appear/disappear unless cache was flushed or disabled
    * Fixed an issue where catalog price and shopping cart price did not match when display currency was different from the base currency
    * Fixed an issue where Tax classes did not allow 'None' as a valid 'product tax class'
    * Fixed an issue where token-based authentication did not work if compilation was enabled
    * Fixed the sample code in index.php illustrating multi websites set up
    * Fixed commands in Setup CLI to match the ones displayed in help
    * Fixed an issue where searching by a part of a product name in Advanced Search did not give correct results
    * Fixed an issue where 404 page is displayed after Search Term mass deletion
    * Fixed an issue where Popular Search Terms were not displayed on the storefront
    * Fixed an issue where it was impossible to add Gift Message during one page checkout
    * Fixed an issue where the optional Postal code setting did not work correctly
    * Fixed an issue where product price details were missing in summary block in the shopping cart when the Back to shopping cart link was clicked on multishipping page
    * Fixed an issue where the 404 error page was displayed instead of the Index Management page after saving mass update
    * Fixed an issue where the "Out of Stock" message was not displayed for a bundle product when there was not enough of one of the associated products in stock
    * Fixed an issue with the Newsletters Report page in the Admin panel
    * Fixed an issue where Catalog price rule was not applying correct rates on specific products
    * Fixed an issue where a fatal error was thrown after clicking a link to a downloadable product
    * Fixed an issue a warning page for Grouped product with enabled MAP
    * Fixed an issue where a configurable product was not displayed in catalog product grid after updating with "Add configurable attributes to the new set based on current"
    * Fixed the inconsistent behavior in the integration tests for the Indexer functionality
    * Fixed an issue where the What's this? information tip link was not presented on product page with configured Minimum Advertised Price (MAP)
* Processed GitHub requests:
    * [#742](https://github.com/magento/magento2/issues/742) -- Admin notifications count overflow
    * [#720](https://github.com/magento/magento2/issues/720) -- https filedriver is not working
    * [#686](https://github.com/magento/magento2/issues/686) -- Product save validation errors in the admin don't hide the overlay
    * [#702](https://github.com/magento/magento2/issues/702) -- Base table or view not found
    * [#652](https://github.com/magento/magento2/issues/652) -- Multishipping checkout not to change the Billing address js issue
    * [#648](https://github.com/magento/magento2/issues/648) -- An equal (=) sign in the hash of the product page to to break the tabs functionality
* Service Contracts:
    * Refactored usage of new API of the Customer module
    * Implemented Service Contracts for the Sales module
    * Refactored Service Contracts for the Catalog module
    * Refactored Service Contracts for the Grouped module
* UI Improvements:
    * Implemented the Form component in Magento UI Library
    * Removed extra JS loaders for category saving
    * Improved the behavior of Categories management in the Admin panel
    * Implemented the keyboard navigation through HTML elements
    * Improved the HTML structure and UI of the Catalog Category Link, Catalog Product Link and CMS Static Block widgets
    * Added UI Library documentation
    * Fixed Blank & Luma themes UI bugs
    * Fixed footer alignment
    * Published the Luma theme and removed the Plushe theme
* Framework Improvements:
    * Added the ability to configure the list of loaded modules before installation
    * Merged SQL and Data Upgrades
    * Moved \Magento\TestFramework\Utility\Files to Magento Framework
* Setup tool improvements:
    * Removed duplication with Framework
    * Deployment configuration is refactored from XML format in local.xml to associated array in config.php
    * Improved performance
* Search improvements:
    * Integrated the Full Text Search library into the Layered Navigation functionality

* Modularity
   * Log module became switchable
   * New switchable module TaxImportExport was created
 * Sales module improvement:
   * Performance was improved
   * Complexity of the order persistence logic was reduced
 * Unit tests coverage for modules was increased:
   * Magento\Rule
   * Magento\Contact
 * Framework:
   * Composite and bundle save/load processors were added
   * Support for the complex custom attributes were added
   * Generic abstract data objects, that is simple and extensible (supports custom attributes), were created
 * Search Library:
   * Approach of matching the fields to table names was implemented
   * MySQL Adapter Library for Match and Filtered query types was added
   * Ability to filter queries was added
   * Response handler for MySQL adapter was added
   * XML declarations for full-text search were added
 * Functional tests:
   * Add Products to Order from Last Ordered Products Section
   * Add Products to Order from Products in Comparison List Section
   * Add Products to Order from Recently Compared Products Section
   * Create Configurable Product
   * Create Store
   * Create Website
   * Delete Product From Customer Wishlist On Backend
   * Delete Store
   * Delete Website
   * Viewed Products Report
   * Products In Cart Report
   * Manage Product Review from Customer Page
   * Mass Assign Customer Group
   * New Account Report
   * Update Product Review From Product Page
   * Update Store
   * Manage Product Review From Customer Page
 * Other:
   * Session.name ini set
   * Calls to setPublicCookie became more secured
   * Generating the session ID for sensitive data was added
 * Fixed bugs:
   * Placing the order from backend
   * Redirecting the customer to empty shopping cart instead of displaying credit card iFrame on checkout with for PayPal Payflow Link
   * Showing the message for multiple shipping address checkout in Authorize partial approval flow
   * Mess detector failure
   * flv_player security vulnerability
   * Calling the inexistent method in cart with shopping cart price rules
   * Overriding a non-empty custom attribute value with empty value in store view scope
   * Editing in 'WYSIWYG editor' by clicking "Use Default" checkbox when switched to store view scope
   * RSS list page vulnerability
   * Applying the store View title on frontend for configurable attributes
   * Viewing the uploaded sample in downloadable product
   * Google Shopping: Problem with publishing products if change value for option 'Update Google Shopping Item when Product is Updated'
   * Configuration scope of items' InStock status on order cancellation
   * Creating the new customer in admin
 * GitHub requests:
   * #621-- Parse error: syntax error, unexpected T_OBJECT_OPERATOR
   * #651-- Multishipping checkout add/edit address page issue

* Pricing Improvements:
  * Added price calculation component to library
  * Eliminated price calculation from blocks and templates and implemented new calculation models for the following product types:
     * Bundle
     * Simple/Virtual
     * Grouped
     * Downloadable
  * Resolved price calculation dependencies on the Tax and Weee modules
* Themes update:
  * Updated the look&feel of the Admin theme
* Fixed bugs:
  * Fixed an issue with the inability to save product with grouped price when Price Scope = Website
  * Fixed an issue with fatal error on attempt to edit product from wishlist in stores with multiple store views
  * Fixed an issue where it was impossible to add to a wishlist a product with custom quantity
  * Fixed an issue where JS validation was skipped during CMS page creation
  * Fixed an issue with the New Customer Address Attribute page and the New Customer Attribute page having the same title
  * Fixed an issue where a form was submitted two times during CMS page creation
  * Fixed an issue where a fatal error appeared when trying to edit product in a wishlist in stores with multiple store views
  * Fixed an issue with inability to change page layout for categories
  * Fixed an issue where the Quantity drop-down list box was disabled for bundle products
  * Fixed an issue where inactive Related Products rules were applied
  * Fixed a clickjacking vulnerability
  * Fixed bugs and added improvements in the Blank theme
  * Fixed an issue where the Flat Rate shipping method was not enabled by default
  * Fixed an issue with incorrect order of products on the Add Product split button
  * Fixed an issue with saving the tier price attribute value
  * Fixed an issue with creating integration from config file
  * Fixed an issue where the Cookie Restriction Mode = Yes configuration was not applied
  * Fixed an issue where it was impossible to perform ajax actions from backend grids in Internet Explorer
  * Fixed the improper usage of DIRECTORY_SEPARATOR
  * Fixed an issue where it was impossible to add new address on customer's account page if default address had been already set
  * Fixed an issue where setting memory_limit to -1 caused installation failure
  * Fixed an issue where the configuration of Admin Session Lifetime was not applied correctly
  * Fixed an issue where Scheduled Export was not performed if exporting to remote FTP server
  * Fixed the wrong default value for PHP memory_limit
  * Fixed an issue where frontend messages were not displayed when FPC was turned off
  * Fixed the position of page action buttons on the Categories page in the backend
  * Improved backend grids UI
* Framework Improvements:
  * Simplified Search related Data Objects
  * Moved lib/Magento/* to lib/Magento/Framework/*
    * Moved lib/Magento/App to lib/Magento/Framework/App
* Refactored the following modules to use Customer service:
  * PayPalRecurringPayment
  * RecurringPayment
  * Multishipping
  * Paypal
* Customer Service usage:
  * Implemented Service Context Provider
  * Restructured webapi.xml
  * Renamed createAccount to createCustomer in CustomerAccountService
  * Implemented Caching strategy for the Customer service
* GitHub requests:
  * [#488] (https://github.com/magento/magento2/issues/488) -- Converted several grids from Magento\Sales module to new layout XML config format

* Fixed bugs:
  * Fixed inability to execute System Backup, Database Backup, and Media Backup
* Indexer implementation:
  * Implemented a new optimized Catalog Category Flat Indexer
* Cron improvements:
  * Added the ability to divide cron tasks into groups
  * Added the ability to run cron groups in separate processes
* Caching improvements:
  * Added a new mechanism to identify uniquely page content (hash-key for cache storage)
  * Added a tab for Page Cache mechanism in System Configuration
  * Implemented the ability to configure the Varnish caching server settings and download it as a .vcl file
* LESS pre-processing to CSS
  * LESS files in library, theme, module are automatically compiled to CSS during materialization
  * LESS files compilation caching mechanism added in Developer mode
* Modularity improvements:
  * Moved the Shortcut Buttons abstraction from PayPal to Catalog
  * Moved the Recurring Profile functionality to a separate module
  * Moved the Billing Agreements functionality to the PayPal module
* Improvements in code coverage calculation:
  * Added code coverage calculation in the clover xml format for unit tests
* GitHub requests:
 * [#377] (https://github.com/magento/magento2/issues/377) Remove and avoid javascript eval() calls
 * [#319] (https://github.com/magento/magento2/issues/319) No message was displayed when product added to shopping cart.
 * [#367] (https://github.com/magento/magento2/issues/367) Improve the error message from the contact form
 * [#469] (https://github.com/magento/magento2/issues/469) Can't change prices on different websites for custom options
* Updated the Customer service exception handling, and added tests
* Added usage of the Customer service to the Customer module, replacing some direct usage of the Customer model
* Updated various PHPDoc with the parameter and return types

* Fixed bugs:
  * Fixed [MAP]: "Click for price" link is broken on the category page
  * Fixed tax rule search on the grid
  * Fixed redirect on dashboard if "Search", "Reset", "Export" buttons are clicked on several pages
  * Fixed switching user to alternate store-view when clicking on the Category (with Add Store Code to Urls="Yes" in the config)
  * Fixed printing Order/Shipping/Credit Memo from backend
  * Fixed 404 Error on attempt to print Shipping Label
  * Fixed duplication of JavaScript Resources in head on frontend
  * Fixed inconsistency with disabled states on Configurable product page in the Plushe theme
  * Fixed 3D Secure Information absence on Admin Order Info page
  * Fixed possibility to download or revert Backup
  * Fixed session fixation in user registration during checkout
  * Fixed fatal error during login to backend
  * Fixed inline translations in the Adminhtml area
  * Fixed partial refunds/invoices in Payflow Pro
  * Fixed the issue with ignoring area in design emulation
  * Fixed order placing with virtual product using Express Checkout
  * Fixed the error during order placement with Recurring profile payment
  * Fixed wrong redirect after customer registration during multishipping checkout
  * Fixed inability to crate shipping labels
  * Fixed inability to switch language, if the default language is English
  * Fixed an issue with incorrect XML appearing in cache after some actions on the frontend
  * Fixed product export
  * Fixed inability to configure memcache as session save handler
* GitHub requests:
  * [#406](https://github.com/magento/magento2/pull/406) -- Remove cast to (int) for the varch increment_id
  * [#425](https://github.com/magento/magento2/issues/425) -- Installation of dev53 fails
  * [#324](https://github.com/magento/magento2/pull/324) -- ImportExport: Easier debugging
* Modularity improvements:
  * Removed \Magento\App\Helper\HelperFactory
  * Removed the "helper" method from the abstract block interface
  * Layout page type config moved to library
  * Design loader moved to library
  * Theme label moved to library
  * Remaining part from Adminhtml moved to the appropriate modules. Adminhtml module has been eliminated
  * Core Session and Cookie models decomposed and moved to library
    * \Magento\Stdlib\Cookie library created
    * Session Manager and Session Config interfaces provided
    * Session save handler interface created
    * Session storage interface created, session does not extend \Magento\Object anymore
    * Session validator interface created
    * Session generic wrapper moved to library
    * Messages functionality moved from the Session model as separate component, message manager interface created
    * Sid resolver interface created to handle session sid from request