Added Laplacian Eignemaps.

• Laplacian Eigenmaps added.

NetLSD noramlization trick.

Added normalization trick.

- Fixing SF vectors

• Fixing SF vectors

SF fix and NetLSD approximator increase

• Added a fix to deal with the problematic eigenvectors in SF.
• NetLSD approximator vector increased further.

NetLSD vector number increase.

• Increased number of vectors.

NETLSD ultra fix.

• Increasing the NCV.

Fixing the Eigenvalues in NetLSD

• References were fixed.

v_04518

• Eigenvalues reference fix.

Final release.

• NetLSD bug fix.

NetLSD added

• Added NetLSD from: https://arxiv.org/abs/1805.10712