anchor.diff:  RUN rpm --rebuilddb && fsudo yum install -y \
     gcc python-devel \
     python-virtualenv \
  +  ccache \
     blas-devel lapack-devel \
     libpng-devel freetype-devel \
     hdf5-devel \
  
positive.code:     jsonschema functools32 \
      ipythonblocks numpy pandas matplotlib gitpython && \
    pip install scipy netCDF4 && \
    rm -rf /home/researcher/.cache
  
  # Install pytables
  RUN /opt/python/bin/pip install numexpr cython && \
    /opt/python/bin/pip install git+git://github.com/pytables/pytables@develop && \
    rm -rf /home/researcher/.cache
  
  # Install NLTK, textblob & pyStatParser
  
negative.code: 
  # Install
  # - build dependencies for Python PIP
  # - ccache to make building faster
  # - virtualenv to setup python environment
  # - matplotlib dependencies
  # - scipy dependencies
  