Downgrade pex to 1.1.2
Review Request #3687 — Created April 13, 2016 and submitted
|benjyw, gmalmquist, kwlzn|
There's a bug in pex versions 1.1.3 and 1.1.4 that prevents eggs with '_'s in the version metadata in their file name from being discovered.
See https://github.com/pantsbuild/pex/issues/226 for more info.
Reverted the version upgrade and saw the pex creation work again for a requirement with a _