Added documentation for a test runner argument that has always been present, but was undocumented.
Added documentation for a test runner argument that has always been present, but was undocumented.


git-svn-id: 4f9f921b081c523744c7bf24d959a0db39629563@5753 bcc190cf-cafb-0310-a4f2-bffc1f526a37

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