Merge pull request #197 from pytest-dev/py-github

Update tox.ini for pylib bitbucket -> github move

Author: The-Compiler

tox.ini

@@ -22,7 +22,7 @@ commands=
 basepython=python2.7
 deps =
     {[testenv]deps}
-    hg+https://bitbucket.org/pytest-dev/py#egg=py
+    git+https://github.com/pytest-dev/py#egg=py
     git+https://github.com/pytest-dev/pytest.git@features#egg=pytest
 
 [testenv:coveralls]