Added 1.2 RC1 docs to the releases index.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@13125 bcc190cf-cafb-0310-a4f2-bffc1f526a37

docs/releases/index.txt

@@ -58,6 +58,7 @@ notes.
 .. toctree::
    :maxdepth: 1
 
+   1.2-rc-1
    1.2-beta-1
    1.2-alpha-1
    1.1-rc-1