Fixed #15943 -- Documented `raw` argument of pre_save and post_save signals. Thanks, amplivibe.
Fixed #15943 -- Documented `raw` argument of pre_save and post_save signals. Thanks, amplivibe.

git-svn-id: 554f83ef17aa7291f84efa897c1acfc5d0035373@16432 bcc190cf-cafb-0310-a4f2-bffc1f526a37

svn2github/django,svn2github/django,svn2github/django