Added regularization and resolved the max_out and dropout option in dnn
Merge branch 'master' of https://bitbucket.org/sudhargk/python-dnn

Conflicts:
	sample_config/MNIST/DBN/model_conf.json
	sample_config/MNIST/DNN/dnn_spec.json
	src/run/run_DNN.py
	src/utils/load_conf.py