Returns manifest as a list.
        
        :param entry: :class:`jicimagelib.image.FileBackend.Entry`
        :returns: list

def manifest(self, entry):
        """Returns manifest as a list.
        
        :param entry: :class:`jicimagelib.image.FileBackend.Entry`
        :returns: list
        """
        entries = []
        for fname in self._sorted_nicely(os.listdir(entry.directory)):
            if fname == 'manifest.json':
                continue
            fpath = os.path.abspath(os.path.join(entry.directory, fname))
            metadata = self.metadata_from_fname(fname)
            entries.append({"filename": fpath,
                            "series": metadata.s,
                            "channel": metadata.c,
                            "zslice": metadata.z,
                            "timepoint": metadata.t})
        return entries