Print summary

def summary(self):
        """Print summary
        """
        print("\nSummary")
        print("=" * 79)
        cmd = "All repositories are updated."
        if self.count_repo == 1:
            cmd = "Repository is updated."
        if self.count_news > 0:
            cmd = "Run the command 'slpkg update'."
        print("{0}From {1} repositories need {2} updating. {3}{4}\n".format(
            self.meta.color["GREY"], self.count_repo, self.count_news, cmd,
            self.meta.color["ENDC"]))