Porto - Multipurpose WooCommerce Theme 7.1.0

- Fixed theme options compiling issue when giving empty value for Theme Options -> Skin -> Footer -> Ribbon Background Color

- Updated theme options to add font control section again
- Updated site to wide width on tablet and mobile browsers ( <= 991px )
- Fixed css compile error when using empty value for header top background color in theme options

+ Added a theme option to disable login popup under Theme Options -> Woocommerce.
- Updated filtering button style of product horizontal filter type 1
- Fixed shop category page style issue on pad
- Fixed sticky sidebar issue on ipad
- Fixed shop 16 home page parallax issue on ipad
- Fixed image border issue on single product pages
- Fixed a product loading issue after sorting the products on product archive pages when using infinite scroll or load more.
- Fixed php warnings in /woocommerce/loop/pagination.php and /inc/lib/infinite-scroll/infinite-scoll.php