Update jquery.uls, jquery.ime, and search index

jquery.ime:
* Enable Akan keyboards for Abron (abr).
* Make the Sarjom baha layout default for Santali
  (Bug T372146)

jquery.uls: Localization and language-data updates.
See 4d90e5e165

Bug: T372146
Change-Id: Iffa6989d0caa828136870ac2f5e93b70fd91d08a

lib/jquery.uls/i18n/ko.json

@@ -9,7 +9,7 @@
 			"아라"
 		]
 	},
-	"uls-region-WW": "세계적인",
+	"uls-region-WW": "전 세계",
 	"uls-region-SP": "특수",
 	"uls-region-AM": "아메리카",
 	"uls-region-AF": "아프리카",