Merge pull request #1099 from edx/cg/setuptools_upgrade

Upgrade setuptools with pip upgrade to prevent pkg_resources errors

playbooks/roles/common/defaults/main.yml

@@ -68,6 +68,7 @@ common_debian_pkgs:
 
 common_pip_pkgs:
   - pip==1.5.4
+  - setuptools=3.6
   - virtualenv==1.11.4
   - virtualenvwrapper