recent-view: Fix build when libgnome-desktop is not available
Updated Spanish translation
Fix Greek, Finnish and French help translations
Updated Hungarian translation
Updated Greek translation
window: The menu icon name changed to open-menu-symbolic
Updated Scottish Gaelic translation
Updated Brazilian Portuguese translation
Updated Norwegian bokmål translation.
Updated Norwegian bokmål translation.
Bump Gtk+ requirements to 3.12

We are now using gtk_application_set_accels_for_action,
which was introduced in gtk+-3.12.

See https://bugzilla.gnome.org/show_bug.cgi?id=733392