Added a XOR network example for TensorFlow
Added a XOR network example for TensorFlow

meppe/tensorflow-deepq,BrandonSmithJ/tensorflow-double-DQN,yeqingli/tensorflow-deepq,BrandonSmithJ/tensorflow-double-DQN,meppe/tensorflow-deepq,nivwusquorum/tensorflow-deepq,nivwusquorum/tensorflow-deepq,yeqingli/tensorflow-deepq