[1.1.X] Removed the 'under development' marker from the 1.1.2 release notes; a...

[1.1.X] Removed the 'under development' marker from the 1.1.2 release notes; a little too late, but better than never.

Backport of r13263 from trunk.

git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.1.X@13264 bcc190cf-cafb-0310-a4f2-bffc1f526a37