Merged r11682 and r11685 from trunk to 2.3-stable (#13579)

fix that datepicker uses Simplified Chinese in Traditional Chinese locale.

Contributed by Chage Juan.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/branches/2.3-stable@11689 e93f8b46-1217-0410-a6f0-8f06a7374b81

config/locales/zh-TW.yml

@@ -4,6 +4,8 @@
 
 "zh-TW":
   direction: ltr
+  jquery:
+    locale: "zh-TW"
   date:
     formats:
       # Use the strftime parameters for formats.

test/integration/layout_test.rb

@@ -85,6 +85,16 @@ class LayoutTest < ActionController::IntegrationTest
       get '/issues'
       assert_not_include "/javascripts/i18n/jquery.ui.datepicker", response.body
     end
+
+    with_settings :default_language => 'zh' do
+      get '/issues'
+      assert_include "/javascripts/i18n/jquery.ui.datepicker-zh-CN.js", response.body
+    end
+
+    with_settings :default_language => 'zh-TW' do
+      get '/issues'
+      assert_include "/javascripts/i18n/jquery.ui.datepicker-zh-TW.js", response.body
+    end
   end
 
   def test_search_field_outside_project_should_link_to_global_search