Fixed #16597 -- Added Sphinx cross-reference metadata to the form wizard docs....

Fixed #16597 -- Added Sphinx cross-reference metadata to the form wizard docs. Thanks FunkyBob for the report and jkistler for the patch.

Also, additional fixes in that document and in the WizardView docstrings.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@16904 bcc190cf-cafb-0310-a4f2-bffc1f526a37