Upload Python Wheels as part of a release

when using ./go py_release a wheel binary will be created using `bdist_wheel` and uploaded.

Author: AutomatedTester

Rakefile

@@ -405,6 +405,7 @@ task :py_install => "//py:install"
 task :py_release => :py_prep_for_install_release do
  sh "grep -v test setup.py > setup_release.py; mv setup_release.py setup.py"
  sh "python setup.py sdist upload"
+ sh "python setup.py bdist_wheel upload"
  sh "git checkout setup.py"
 end