Changed django.core.management.get_sql_delete to be more robust when many-to-many tables don't exist
Changed django.core.management.get_sql_delete to be more robust when many-to-many tables don't exist

git-svn-id: 4f9f921b081c523744c7bf24d959a0db39629563@330 bcc190cf-cafb-0310-a4f2-bffc1f526a37

Smarsh/django,t11e/django,disqus/django-old,alex/django-old,Instagram/django,aparo/django-nonrel,dcramer/django-compositepks,FlaPer87/django-nonrel,mitsuhiko/django,bfirsh/django-old,Smarsh/django,sam-tsai/django-old,Instagram/django,skevy/django,t11e/django,rawwell/django,jamespacileo/django-france,hugs/django,alex/django-old,hugs/django,Instagram/django,sam-tsai/django-old,mitsuhiko/django,alex/django-old,django-nonrel/django-nonrel,jamespacileo/django-france,sam-tsai/django-old,bfirsh/django-old,django-nonrel/django-nonrel,django-nonrel/django-nonrel,disqus/django-old,aparo/django-nonrel,FlaPer87/django-nonrel,disqus/django-old,jamespacileo/django-france,aparo/django-nonrel,FlaPer87/django-nonrel,Smarsh/django,mitsuhiko/django,rawwell/django,t11e/django,dcramer/django-compositepks,dcramer/django-compositepks,sam-tsai/django-old,bfirsh/django-old,rawwell/django,skevy/django,Smarsh/django,skevy/django,hugs/django