Merge pull request #1844 from magento-engcom/2.2-develop-prs

Merge pull request #1014 from magento-engcom/2.2-develop-prs

[EngCom] Public Pull Requests - 2.2-develop

Public Pull Requests
 - #1012 10814: Attribute repository resets sourceModel for new attributes. by @nmalevanec
- #1006 magento/magento2#12285: The option false for mobile device don't work in product -
view page gallery by @p-bystritsky
- #983 magento/magento2#12259: Save and Duplicated product not working by @p-bystritsky
- #1000 8204: catalog:images:resize = getimagesize(): Read error! by @RomaKis
magento/magento2#12633 Magento Connect no longer exist by @miguelbalparda

Fixed Public Issues
 - magento/magento2#10814 Attribute repository resets sourceModel for new attributes
 - magento/magento2#12285 The option false for mobile device don't work in product view page gallery
 - magento/magento2#12490 I can't disable full screen gallery on mobile on magento 2.2.1
 - magento/magento2#12259 Save and Duplicated product not working
 - magento/magento2#8204 catalog:images:resize = getimagesize(): Read error! in vendor/magento/module-catalog/Model/Product/Image.php on line 410 if an image is 0 bytes
 - magento/magento2#12632 Magento Connect no longer exist