add "tmp:clear" to "ci:setup" rake task for new translation

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11389 e93f8b46-1217-0410-a6f0-8f06a7374b81
Bulgarian translation of jstoolbar-bg.js updated by Ivan Cenov (#13181)

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11390 e93f8b46-1217-0410-a6f0-8f06a7374b81