travis build and codecoverage badge added into README.md file
-# elastica-python
+# elastica-python [![Build_status](https://travis-ci.com/armantekinalp/elastica-python.svg?token=cqxzsQDP2cLxke4fk5XZ&branch=master)](https://travis-ci.com/armantekinalp/) [![codecov](https://codecov.io/gh/armantekinalp/elastica-python/branch/master/graph/badge.svg?token=O8nBw9I5vr)](https://codecov.io/gh/armantekinalp/elastica-python)
Python version of elastica is located in this repository. Uploaded code is tested against the Timoshenko beam analytical solution. This branch contains ongoing implementation of friction and rod rod joints.
