Fixed bug in manipulator_valid_rel_key -- it assumed the related object was related by the primary-key field, whereas this didn't work with ForeignKeys to non-primary-key fields
Fixed bug in manipulator_valid_rel_key -- it assumed the related object was related by the primary-key field, whereas this didn't work with ForeignKeys to non-primary-key fields

git-svn-id: 4f9f921b081c523744c7bf24d959a0db39629563@3338 bcc190cf-cafb-0310-a4f2-bffc1f526a37

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