Added new language Chinese (Traditional) and rename language code for Chinese (Simplified)

Author: akshay-joshi

web/config.py

@@ -46,7 +46,8 @@
 # Languages we support in the UI
 LANGUAGES = {
     'en': 'English',
-    'zh': 'Chinese (Simplified)',
+    'zh_Hans_CN': 'Chinese (Simplified)',
+    'zh_Hant_TW': 'Chinese (Traditional)',
     'cs': 'Czech',
     'fr': 'French',
     'de': 'German',