Update to latest library versions

requirements.txt

@@ -3,14 +3,16 @@
 #
 # Then you probably want to work in a virtualenv (optional):
 #     $ sudo pip install --upgrade virtualenv
-# Or if you prefer you can install virtualenv using your favorite packaging system. E.g., in Ubuntu:
+# Or if you prefer you can install virtualenv using your favorite packaging
+# system. E.g., in Ubuntu:
 #     $ sudo apt-get update && sudo apt-get install virtualenv
 # Then:
 #     $ cd $my_work_dir
 #     $ virtualenv my_env
 #     $ . my_env/bin/activate
 #
-# Next, optionally uncomment the OpenAI gym lines (see below). If you do, make sure to install the dependencies first.
+# Next, optionally uncomment the OpenAI gym lines (see below).
+# If you do, make sure to install the dependencies first.
 #
 # Then install these requirements:
 #     $ pip install --upgrade -r requirements.txt
@@ -19,26 +21,44 @@
 #     $ jupyter notebook
 #
 
+
+##### Core scientific packages
 jupyter==1.0.0
-matplotlib==2.0.2
-numexpr==2.6.3
-numpy==1.13.1
-pandas==0.20.3
-Pillow==4.2.1
-protobuf==3.4.0
-psutil==5.3.1
-scikit-learn==0.19.0
-scipy==0.19.1
-sympy==1.1.1
-tensorflow==1.3.0
+matplotlib==2.2.2
+numpy==1.14.2
+pandas==0.22.0
+scipy==1.0.1
+
+# Optional: these are useful Jupyter extensions, in particular to display
+# the table of contents.
+jupyter-contrib-nbextensions==0.5.0
+
+
+##### Machine Learning packages
+scikit-learn==0.19.1
+
+
+##### Deep Learning packages
+
+# Replace tensorflow with tensorflow-gpu if you want GPU support.
+# You also need to install CUDA, cuDNN and more, see tensorflow.org for the
+# detailed installation instruction.
+tensorflow==1.7.0
+
+Keras==2.1.5
 
 # Optional: OpenAI gym is only needed for the Reinforcement Learning chapter.
 # There are a few dependencies you need to install first, check out:
 # https://github.com/openai/gym#installing-everything
-#gym[all]==0.9.3
+#gym[all]==0.10.5
 # If you only want to install the Atari dependency, uncomment this line instead:
-#gym[atari]==0.9.3
+#gym[atari]==0.10.5
 
-# Optional: these are useful Jupyter extensions, in particular to display
-# the table of contents.
-https://github.com/ipython-contrib/jupyter_contrib_nbextensions/tarball/master
+
+##### Extra utilities
+bleach==1.5.0
+nbdime==0.4.1
+numexpr==2.6.4
+Pillow==5.1.0
+psutil==5.4.3
+sympy==1.1.1