Added datetime.date to the things ignored by strings_only in [6406].
Added datetime.date to the things ignored by strings_only in [6406].


git-svn-id: 4f9f921b081c523744c7bf24d959a0db39629563@6567 bcc190cf-cafb-0310-a4f2-bffc1f526a37

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