Fixed #8163 -- Restore oldforms admin styling on input fields. Also cleaned up...

Fixed #8163 -- Restore oldforms admin styling on input fields. Also cleaned up some styles for both tabular and stacked inlines. Thanks Nathan Borror for the patch.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@8240 bcc190cf-cafb-0310-a4f2-bffc1f526a37