[FIX] product: some fields on the product template readonly when my product doesn't have any variant
[FIX] website_sale: can't click on confirm order in mobile view
[FIX] point_of_sale: On product form : push on button 'Set a Custom Ean' on tab information raise an exception => Use a record action and clean python files
[FIX] website: the media video create by the media editor is not display in firefox. change the css to display the video and add z-index to the div for edit mode
[FIX] website_sale: everytime you want to change both billing & delivery address, any change creates duplicates in the backend
Merge pull request #1428 from odoo-dev/sass-5-fixes-chm

[FIX] website_sale and point_of_sale fixes