Merge pull request #3880 from OskarStark/remove-credits-file

removed outdated and not used CREDITS file

CREDITS

@@ -1,16 +0,0 @@
-* Django Project (http://www.djangoproject.com/)
-
-  The Admin class architecture is inspired by the Django Admin.
-  You can find more information about the django admin definition
-  here : http://www.djangobook.com/en/1.0/chapter06/
-
-
-* FamFamFam (http://www.famfamfam.com/lab/icons/silk/)
-
-  The icon used the famous icons library by Mark James.
-
-  licence : http://creativecommons.org/licenses/by/2.5/
-
-* jQuery (http://jquery.com/)
-
-  The javascript library used to integrate Ajax and GUI interactions.