Updated Danish translation
Minor update to Danish translation
Added uk translation
build: Require gst-plugins-base 1.4.2

So we can pick up the fix for
https://bugzilla.gnome.org/show_bug.cgi?id=735748
build: Require clutter-gtk 1.5.5

So that we can pick up the Wayland fixes in that version, in
particular:
https://bugzilla.gnome.org/show_bug.cgi?id=736564
Updated Hindi translation