GreenGroup/RMG-Py — pull request #214 by wking (2014-05-14 15:26:38+00:00)
Title: Remove external references to Conformer._E0

In rmgpy/statmech/conformer.pyx, _E0 is the private attribute backing the
public E0 property (to support an Energy cast on setting). Respect that
privacy and use the public interface.