BUG FIX: Corrected copy of hess matrix in KrylovSpaceAO::projA
BUG FIX: Corrected copy of hess matrix in KrylovSpaceAO::projA

This bug was a byproduct of refactoring HessMatrix into distinct
HessMatrix and ExtHessMatrix types.

bsilbaugh/NumLib,bsilbaugh/NumLib,bsilbaugh/NumLib,bsilbaugh/NumLib