Update acc_train.txt, train_loss_100epochs.png, accuracy_plot_100epochs.png,...

Update acc_train.txt, train_loss_100epochs.png, accuracy_plot_100epochs.png, loss.png, CNN.ipynb, attached.png, acc_valid.txt, CNN_old.ipynb, loss_valid.txt, loss_train.txt, loss_train_old.txt, loss_valid_old.txt files