There is no Messages.sh that covers the accounts-kcm plugins since the move (and possibly did not before). It needs to be done in a way that makes sure the plugins have their .pot file loaded.
Edit: I'm an idiot. Closing.
Sorry to bump this, there's a problem also in 0.3, KCM accounts module is not translated, although translations are compiled and installed along the package. Should I open new bug report, or to ask this one to reopen?