add badges for licence and codacy
[![Build Status](https://travis-ci.org/nokia/moler.svg?branch=master)](https://travis-ci.org/nokia/moler)
[![Coverage Status](https://coveralls.io/repos/github/nokia/moler/badge.svg?branch=master)](https://coveralls.io/github/nokia/moler?branch=master)
[![BCH compliance](https://bettercodehub.com/edge/badge/nokia/moler?branch=master)](https://bettercodehub.com/)
+[![Codacy Badge](https://api.codacy.com/project/badge/Grade/355afc9110f34d549b7c08c33961827c)](https://www.codacy.com/app/mplichta/moler?utm_source=github.com&amp;utm_medium=referral&amp;utm_content=nokia/moler&amp;utm_campaign=Badge_Grade)
+[![License](https://img.shields.io/badge/License-BSD%203--Clause-blue.svg)](./LICENSE)
# Table of Contents
1. [Moler](#moler)
