[1.0.X] Fixed #10080: `call_command` now takes option defaults into account,...

[1.0.X] 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. Backport of 10400 from trunk.

git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.0.X@10401 bcc190cf-cafb-0310-a4f2-bffc1f526a37