message: Use local Eigen
  Addresses Issue
diff: #ifndef REORIENTER_H_
  #define REORIENTER_H_
  -#include <eigen3/Eigen/Core>
  -#include <eigen3/Eigen/Eigenvalues>
  +#include <Eigen/Core>
  +#include <Eigen/Eigenvalues>
  #include <iostream>
  #include "common.h"
  #include "parsing.h"
  