Updated wrong word :-) [UPDATE] (#284)

* updated & added new words

locales/ar.json

@@ -265,7 +265,7 @@
   "`x` minutes": "`x` دقائق",
   "`x` seconds": "`x` ثوانى",
   "Fallback comments: ": "التعليقات المصاحبة",
-  "Popular": "الشائع",
+  "Popular": "لاكثر شعبية",
   "Top": "الأفضل",
   "About": "حول",
   "Rating: ": "التقييم",