Fixed #6455 -- Updated link to The Django Book in authentication docs, thanks ramiro.
Fixed #6455 -- Updated link to The Django Book in authentication docs, thanks ramiro.


git-svn-id: 4f9f921b081c523744c7bf24d959a0db39629563@7243 bcc190cf-cafb-0310-a4f2-bffc1f526a37

mitsuhiko/django,sam-tsai/django-old,disqus/django-old,jamespacileo/django-france,t11e/django,skevy/django,Smarsh/django,bfirsh/django-old,hugs/django,hugs/django,django-nonrel/django-nonrel,dcramer/django-compositepks,t11e/django,sam-tsai/django-old,Smarsh/django,disqus/django-old,sam-tsai/django-old,Instagram/django,bfirsh/django-old,Instagram/django,sam-tsai/django-old,skevy/django,jamespacileo/django-france,jamespacileo/django-france,t11e/django,mitsuhiko/django,mitsuhiko/django,disqus/django-old,dcramer/django-compositepks,hugs/django,alex/django-old,django-nonrel/django-nonrel,django-nonrel/django-nonrel,bfirsh/django-old,alex/django-old,Smarsh/django,Instagram/django,Smarsh/django,dcramer/django-compositepks,skevy/django,alex/django-old