codecov: switch coverage reporting to codecov

.travis.yml

@@ -24,6 +24,7 @@ install:
   - python setup.py -q install
   - pip install -r extra_requirements.txt
   - pip install coverage pytest-cov coveralls
+  - pip install codecov
   - npm install
 
 before_script:
@@ -35,4 +36,4 @@ script:
   - cd karma-tests && make test
 
 after_success:
-    coveralls
+  - codecov

README.rst

@@ -3,8 +3,8 @@ Webrecorder pywb 2.0.0
 
 .. image:: https://travis-ci.org/ikreymer/pywb.svg?branch=master
       :target: https://travis-ci.org/ikreymer/pywb
-.. image:: https://coveralls.io/repos/ikreymer/pywb/badge.svg?branch=master
-      :target: https://coveralls.io/r/ikreymer/pywb?branch=master
+.. image:: https://codecov.io/gh/webrecorder/pywb/branch/master/graph/badge.svg
+      :target: https://codecov.io/gh/webrecorder/pywb
 
 Web Archiving Tools for All
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