In a development environment, running manage.py syncdb would call

initialize() before creating database models. If any code in an

initialization signal handler tried to access the database, and the

database was empty, syncdb would crash.
We no longer call initialize() for this command. We fortunately don't

call it when doing rb-site install, meaning both that there's

precedent for avoiding the call and that this problem doesn't impact

production at all.

Tested syncdb with and without a functioning database.
Tested all other affected commands: test, runserver, and a few

other management commands.