Added note about 'request' variable name to docs/contributing.txt
Added note about 'request' variable name to docs/contributing.txt

git-svn-id: http://code.djangoproject.com/svn/django/trunk@3688 bcc190cf-cafb-0310-a4f2-bffc1f526a37

--HG--
extra : convert_revision : a82a46cd8aad5b35004f1b498f8c64274a21f988

adieu/django-nonrel,adieu/django-nonrel,heracek/django-nonrel,heracek/django-nonrel,heracek/django-nonrel,adieu/django-nonrel