Switch to side-by-side view

--- a/src/qtgui/recoll.pro.in
+++ b/src/qtgui/recoll.pro.in
@@ -61,4 +61,4 @@
           LIBS -= -liconv
 }
 
-TRANSLATIONS = recoll_fr.ts recoll_ru.ts recoll_uk.ts
+TRANSLATIONS = i18n/recoll_fr.ts i18n/recoll_ru.ts i18n/recoll_uk.ts