Traditional Chinese translation for 2.3-stable updated by ChunChang Lo (#14485, #14458)

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@12028 e93f8b46-1217-0410-a6f0-8f06a7374b81
Traditional Chinese translation for trunk updated by ChunChang Lo (#14458)

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@12029 e93f8b46-1217-0410-a6f0-8f06a7374b81
Japanese translation updated by Go MAEDA (#14478)

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@12030 e93f8b46-1217-0410-a6f0-8f06a7374b81
Bulgarian translation updated by Ivan Cenov (#14473)

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@12031 e93f8b46-1217-0410-a6f0-8f06a7374b81