Overview of changes in 43.beta
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 * Build with soup3, drops libgfbgraph as it is not compatible with soup3 / rest 1.0 - Bilal Elmoussaoui
 * Use Wallpaper portal for setting as a background/lockscreen - Bilal Elmoussaoui
 * stop using deprecated gexiv2 API - Stephan Vedder
 * Translations updates