[l10n] Update Catalan translation
[l10n] Updated Catalan (Valencian) translation
L10N: Updated Persian translations
libview: Activate current focused element on space/return key press

Form field check and radio buttons are toggled and links are activated.
We ignore space key presses for links for consistency with web browsers.
Based on patches by Antía Puentes.

https://bugzilla.gnome.org/show_bug.cgi?id=706244
libview: Do not draw the focus rectangle when the view doesn't have the input focus
Updated Thai translation.
Updated Greek translation