Switch from coveralls to codecov

Author: treyhunner

.travis.yml

@@ -13,7 +13,7 @@ env:
   - DJANGO="Django>=1.8,<1.9"
 
 install:
-  - pip install -U coverage coveralls $DJANGO
+  - pip install -U coverage codecov $DJANGO
   - python -c 'from __future__ import print_function; import django; print("Django " + django.get_version())'
 
 script: coverage run -a setup.py test
@@ -37,4 +37,4 @@ matrix:
    - python: 3.4
      env: DJANGO="Django>=1.8,<1.9"
 
-after_success: coveralls
+after_success: codecov

README.rst

@@ -3,8 +3,8 @@ django-simple-history
 
 .. image:: https://secure.travis-ci.org/treyhunner/django-simple-history.png?branch=master
    :target: http://travis-ci.org/treyhunner/django-simple-history
-.. image:: https://coveralls.io/repos/treyhunner/django-simple-history/badge.png?branch=master
-   :target: https://coveralls.io/r/treyhunner/django-simple-history
+.. image:: https://img.shields.io/codecov/c/github/treyhunner/django-simple-history/master.svg
+   :target: http://codecov.io/github/treyhunner/django-simple-history?branch=master
 .. image:: https://pypip.in/v/django-simple-history/badge.png
    :target: https://crate.io/packages/django-simple-history
 .. image:: https://pypip.in/d/django-simple-history/badge.png