Merge pull request #3 from dsh0416/master

Fix hyperlink syntax error in README.md

updates

modified: README.md

updates

Merge pull request #1 from liuweizi/cpp

add a README

Vectorize softmax module.

softmax python version updates, using vectorization.

fix bugs of softmax module, at the top layer of stacked AE

add softmax codes

softmax on the top of network by python

Will inject supervised labels into SDAE, by Softmax.

fix a bug of Binary classesd test

Add script for a binary classes test on validation set