anchor.diff:  ##### CHECAR DAQUI PRA BAIXO
   
   # https://anaconda.org/conda-forge/jupyterhub -> instala node 6.2 e configurable-http-proxy
  -RUN /usr/local/conda/anaconda3/bin/conda install -c conda-forge jupyterhub=0.7.2
  +RUN /usr/local/conda/anaconda3/bin/conda install -c conda-forge jupyterhub
   
   RUN ln -s /usr/local/conda/anaconda3/bin/jupyterhub /usr/local/bin/jupyterhub
   
   # for Jupyter
  -#RUN npm install -g configurable-http-proxy
  +RUN npm install -g configurable-http-proxy
   
   # Jupyter
   # Add python2.7 kernel: https://github.com/jupyter/jupyter/issues/71
  -RUN pip2 install \
  -	IPython \
  -	notebook \
  -	ipykernel \
  -	ipyparallel \
  -	enum34 \
  -	&& python2 -m ipykernel install
  -
  -RUN pip3 install \
  -	IPython \
  -	jupyterhub \
  -	notebook \
  -	ipykernel \
  -	ipyparallel \
  -	enum34 \
  -	&& python3 -m ipykernel install
  +#RUN pip2 install \
  +#	IPython \
  +#	notebook \
  +#	ipykernel \
  +#	ipyparallel \
  +#	enum34 \
  +#	&& python2 -m ipykernel install
  +
  +#RUN pip3 install \
  +#	IPython \
  +#	jupyterhub \
  +#	notebook \
  +#	ipykernel \
  +#	ipyparallel \
  +#	enum34 \
  +#	&& python3 -m ipykernel install
   
   # ipywidgets: https://github.com/ipython/ipywidgets
  -RUN pip3 install ipywidgets \
  -	&& pip2 install ipywidgets \
  -	&& jupyter nbextension enable --py --sys-prefix widgetsnbextension
  +#RUN pip3 install ipywidgets \
  +#	&& pip2 install ipywidgets \
  +#	&& jupyter nbextension enable --py --sys-prefix widgetsnbextension
   
   # Support for other languages
   # https://github.com/ipython/ipython/wiki/IPython-kernels-for-other-languages
  
positive.code: 	&& cd .. && rm -rf SYMPHONY-$SYMPHONY_VER
  
  # calysto-scheme Jupyter kernel
  RUN pip3 install --upgrade calysto-scheme \
  	&& python3 -m calysto_scheme install
  
  # bash Jupyter kernel
  RUN pip3 install bash_kernel \
  	&& python3 -m bash_kernel.install
  
  # pigz: http://zlib.net/pigz/
  ENV PIGZ_VER 2.3.4
  
negative.code: RUN R -e 'install.packages(c("pbdZMQ", "devtools"))' \
  	&& R -e 'devtools::install_github(paste0("IRkernel/", c("repr", "IRdisplay", "IRkernel")))'
  
  RUN cp -r /usr/lib64/R/library/IRkernel/kernelspec /usr/local/conda/anaconda3/share/jupyter/kernels/R
  
  # Optional configuration file for svn
  ADD svn-servers /etc/subversion/servers
  