Dummy implementation of new methods.
In [openDocumentWithContentsOfFile:display:] call
[noteNewRecentDocument:].
In [openDocumentWithContentsOfURL:display:] only call
[noteNewRecentDocumentURL:] when document is not nil.
Implemented [noteNewRecentDocument:].
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@10606 72102866-910b-0410-8b05-ffd578937521
Added methods for handling of last recent documents.
Made addDocument and removeDocument public.
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@6655 72102866-910b-0410-8b05-ffd578937521