D&C SVD: fix deflation of repeated singular values, fix sorting of singular values, fix case of complete deflation
D&C SVD: fix deflation of repeated singular values, fix sorting of singular values, fix case of complete deflation

madlib/eigen_backup,rotorliu/eigen,mjbshaw/Eigen,rotorliu/eigen,mjbshaw/Eigen,madlib/eigen_backup,madlib/eigen_backup,mjbshaw/Eigen,rotorliu/eigen,madlib/eigen_backup,rotorliu/eigen,mjbshaw/Eigen