FileBrowser ... updated walk for FileSubmit with SEARCH_TRAVERSE

base.py

    def _walk(self, path, filelisting):
        """
        Recursively walks the path and collects all files and
        directories.

        Danger: Symbolic links can create cycles and this function
        ends up in a regression.
        """
        dirs, files = self.site.storage.listdir(path)

        if dirs:
            for d in dirs:
                self._walk(os.path.join(path, d), filelisting)
                filelisting.extend([path_strip(os.path.join(path,d), self.site.directory)])

        if files:
            for f in files:
                filelisting.extend([path_strip(os.path.join(path,f), self.site.directory)])
        
        #filelisting.extend(dirs)
        #filelisting.extend(files)