added script to rewrite locales utf8

lib/tasks/rewrite_locales_utf8.rake

@@ -0,0 +1,17 @@
+task :rewrite_locales_utf8 do
+  require 'base64'
+  Dir[Rails.root.join("config/locales/*.yml")].each do |path|
+    content = File.read(path)
+    content.force_encoding('utf-8')
+    content.gsub! /\\x([A-Fa-f0-9]{2})/ do |hex|
+      Integer(hex[2..3], 16).chr
+    end
+    content.gsub! /!binary \|\n\s+(.+?)\n\n/m do |match|
+      decoded = Base64.decode64($1)
+      decoded.gsub! /"/, '\\"'
+      "\"#{decoded}\"\n"
+    end
+    content = content.force_encoding('utf-8')
+    File.open(path, 'w') { |f| f.write content }
+  end
+end