Fix #435 increased the lenghth of category.topic_prefix string; also added zh_TW translations by converting the Simplified Chinese to Traditional Chinese
New I18n entries added, added in both zh_CN and zh_TW
Start to translate FAQ, TOS and Privacy docs
Add missed zh_TW.js.erb
Make translation more precise
Merge pull request #459 from tangramor/master

Fixed issue #435. Add zh_TW translations. Add missed translations according to newest en.yml