2.0.0.0-dev78

* Fixed bugs:
  * Fixed an issue where a blank page was displayed when changing store view on a product page
  * Fixed an issue where it was impossible to change attribute template during product creation
  * Fixed an issue where the Categories field and the New Category button was displayed during product creation for users with no permissions to access Products and Categories
  * Fixed an issue where no records were found in the User Roles grid if no users were assigned to a role
  * Fixed an issue where variable values in the Newsletter templates were not displayed
  * Fixed an issue where 'No files found' was displayed in the JS Editor on the Design page
  * Fixed an issue where the State/Province list on frontend was displayed with HTML tags if inline translate was enabled
  * Fixed an issue where CAPTCHA was not displayed on the Contact Us page
  * Fixed an issue where scheduled backups were not displayed and neither performed
  * Fixed functional tests failing PSR-2 test