pantsbuild/pants — pull request #421 by jsirois (2014-07-30 18:20:51+00:00)
Title: Fixup travis config to actually run under different pythons

Previously despite setting the default `python` version in
.travis.yml, the build-support/virtualenv script used to bootstrap
pants was always picking python 2.7.

https://rbcommons.com/s/twitter/r/798/