svd in c.m.internal.ejml
fit-plane in c.m.geometry.fit (using EVD)
use eig instead of eig! in c.m.geometry.fit
support non-symmetric matrices in c.m.internal.ejml/eig
test c.m.geometry.fig/fit-plane
pinv in c.m.internal.ejml
fit-plane using SVD rather than EVD
diag in c.m.internal.ejml