No longer need ez_setup at all.

get-pip.py installs setup tools at the start on its own, and then we can just use pip to upgrade/downgrade it as needed.

Author: coderanger

attributes/default.rb

@@ -41,3 +41,4 @@
 
 default['python']['pip_location'] = "#{node['python']['prefix_dir']}/bin/pip"
 default['python']['virtualenv_location'] = "#{node['python']['prefix_dir']}/bin/virtualenv"
+default['python']['setuptools_version'] = nil # defaults to latest