Updated @2x images for branding
Added @2x Branding images
Merge branch '@2x-assets' of https://github.com/sergivila/gaia into @2x-assets
Merge branch '@2x-assets' into twist-nightly
Merge branch 'ready-for-scale-inprogress' into twist-nightly
Merge branch 'ready-for-scale-inprogress' into twist-nightly
[responsive] fixed devicepixelratio alert
Merge branch 'twist-nightly' into ready-for-scale-inprogress
[settings | system | costcontrol] scaled images
[system | permissions prompt] px to rem
[system | statusbar] px to rem