- the RMSD value returned by O3A::align() and O3A::trans() is now
  computed in the usual way, while previously the value computed
  by MolAlign::AlignMol(), which incorporates weights, was returned
- the C++ and Python test results were updated accordingly
Merge pull request #173 from ptosco/master

O3A::align() and O3A::trans() now return "true" RMSD value