remove batch_gradient_descent.py
remove pep8 errors in batch_gradient_descent.py
fix pyflakes error
Fix more pyflakes errors
fixed softmax num_cols bug and added weight initialization test
make the requested changes
make the undealt requested changes
Merge pull request #1207 from yingzha/develop_0.1

Fix pep8 errors in batch_gradient_descent.py
softmax weights init test now calls set_input_space
Merge pull request #1215 from JesseLivezey/numcols

fixed softmax num_cols bug and added weight initialization test