Fixed #10080: `call_command` now takes option defaults into account, sparing...

Fixed #10080: `call_command` now takes option defaults into account, sparing individual commands from any difference between `call_command` and being run from the shell. Thanks, Alex Koshelev.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@10400 bcc190cf-cafb-0310-a4f2-bffc1f526a37