Changed the project-id string to "Django" throughout the translation files (we

discussed this on the i18n list a while back and I only just got around to it).

Also started removing various leftover author names in comments and moving them
into the AUTHORS file. So this is purely administrative. No translation changes
here.

Fixed #4677 (thanks, Paul Bissex).


git-svn-id: http://code.djangoproject.com/svn/django/trunk@7271 bcc190cf-cafb-0310-a4f2-bffc1f526a37