Update ICU to 54.1 step 1

source/data/lang/en_GB.txt

 // ***************************************************************************
 // *
-// * Copyright (C) 2013 International Business Machines
+// * Copyright (C) 2014 International Business Machines
 // * Corporation and others. All Rights Reserved.
 // * Tool: org.unicode.cldr.icu.NewLdml2IcuConverter
 // * Source File: <path>/common/main/en_GB.xml
 // *
 // ***************************************************************************
 en_GB{
     %%Parent{"en_001"}
+    Keys{
+        colCaseLevel{"Case-Sensitive Sorting"}
+        colNormalization{"Normalised Sorting"}
+    }
     Languages{
+        wal{"Walamo"}
     }
     LanguagesShort{
         en_GB{"UK English"}
         en_US{"US English"}
     }
     Scripts{
         Thai{"Thai"}
     }
-    Version{"2.0.92.80"}
+    Types{
+        colNormalization{
+            no{"Sort Without Normalisation"}
+            yes{"Sort Unicode Normalised"}
+        }
+        numbers{
+            arabext{"Extended Arabic-Indic Digits"}
+            fullwide{"Full-Width Digits"}
+        }
+    }
+    Version{"2.1.8.19"}
 }