Fixed #17755 -- Ensured datetime objects that bypass the model layer (for...

Fixed #17755 -- Ensured datetime objects that bypass the model layer (for instance, in raw SQL queries) are converted to UTC before sending them to the database when time zone support is enabled. Thanks Anssi for the report.


git-svn-id: http://code.djangoproject.com/svn/django/trunk@17596 bcc190cf-cafb-0310-a4f2-bffc1f526a37