Share the code in the book

besides:
TextGrocery       https://github.com/2shou/TextGrocery
cnn text extract  https://github.com/dennybritz/cnn-text-classification-tf.git
wiki              https://dumps.wikimedia.org/zhwiki/20161001/zhwiki-20161001-pages-articles-multistream.xml.bz2
DQN               https://github.com/devsisters/DQN-tensorflow
wiki model        http://pan.baidu.com/s/1bpbzt6n  password:62i2