Fixed #11205 -- Made the links to the str method description look the same as...

Fixed #11205 -- Made the links to the str method description look the same as the links to the unicode method description in the tutorial part 1.  Having one be fully qualified while the other was not was odd-looking.


git-svn-id: http://code.djangoproject.com/svn/django/trunk@10843 bcc190cf-cafb-0310-a4f2-bffc1f526a37