German translation updated by Daniel Felix (#12993)

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11274 e93f8b46-1217-0410-a6f0-8f06a7374b81
Bulgarian translation updated by Ivan Cenov (#12995)

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11275 e93f8b46-1217-0410-a6f0-8f06a7374b81