[1.2.X] Fixed #14255 -- factor project name out of app imports in tutorial....

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

Backport of r14066 from trunk.


git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.2.X@14067 bcc190cf-cafb-0310-a4f2-bffc1f526a37