Fixed #14255 -- factor project name out of app imports in tutorial. Thanks to...

Fixed #14255 -- factor project name out of app imports in tutorial. Thanks to adamend for the report and initial patch.


git-svn-id: http://code.djangoproject.com/svn/django/trunk@14066 bcc190cf-cafb-0310-a4f2-bffc1f526a37