Translations updates:
* Simplified Chinese (Liang Jin)
* Bulgarian (Nikolay Solakov)
* Lithuanian (Sergej Jegorov)
* Traditional Chinese (Shortie Lo)

git-svn-id: http://redmine.rubyforge.org/svn/trunk@1122 e93f8b46-1217-0410-a6f0-8f06a7374b81