Update badges

Author: Andrey Fedoseev

README.rst

@@ -5,9 +5,11 @@ Django Static Precompiler
 Django Static Precompiler provides template tags to compile CoffeeScript, SASS / SCSS, LESS, and Babel.
 It works with both inline code and external files.
 
-.. image:: https://travis-ci.org/andreyfedoseev/django-static-precompiler.svg?branch=master
-   :target: https://travis-ci.org/andreyfedoseev/django-static-precompiler
-   :alt: Build Status
+.. image:: https://circleci.com/gh/andreyfedoseev/django-static-precompiler.svg?style=svg
+    :target: https://circleci.com/gh/andreyfedoseev/django-static-precompiler
+
+.. image:: http://codecov.io/github/andreyfedoseev/django-static-precompiler/coverage.svg?branch=master
+    :target: http://codecov.io/github/andreyfedoseev/django-static-precompiler?branch=master
 
 .. image:: https://readthedocs.org/projects/django-static-precompiler/badge/
     :target: http://django-static-precompiler.readthedocs.org/