Added docs/add_ons.txt -- small documentation of contrib
Added docs/add_ons.txt -- small documentation of contrib

git-svn-id: http://code.djangoproject.com/svn/django/trunk@1354 bcc190cf-cafb-0310-a4f2-bffc1f526a37

--HG--
extra : convert_revision : 2e2dde644a5edcae686f5808bf3cf78fe51fc682

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