Clean requirements file

Author: Irina Nicolae

requirements.txt

@@ -1,26 +1,4 @@
-appdirs==1.4.3
-click==6.7
-cycler==0.10.0
-Flask==0.12.2
-h5py==2.7.0
-itsdangerous==0.24
-Jinja2==2.9.6
 Keras==2.0.4
-MarkupSafe==1.0
 matplotlib==2.0.1
-numpy==1.12.1
-olefile==0.44
-packaging==16.8
-picasso-viz==0.1.1
-Pillow==4.1.1
-protobuf==3.3.0
-pyparsing==2.2.0
-python-dateutil==2.6.0
-pytz==2017.2
-PyYAML==3.12
-requests==2.14.2
 scipy==0.19.0
-six==1.10.0
 tensorflow==1.1.0
-Theano==0.9.0
-Werkzeug==0.12.1