core: Don't build translatable strings by substitution
core: Don't build translatable strings by substitution

Based on a patch from Philip Withnall <philip@tecnocode.co.uk>.

Tarnyko/rygel,GNOME/rygel,luisbg/rygel,jku/rygel,Tarnyko/rygel,Pelagicore/Media-Manager-Rygel-patched,GNOME/rygel,GNOME/rygel,Pelagicore/Media-Manager-Rygel-patched,Pelagicore/Media-Manager-Rygel-patched,jku/rygel