anchor.diff:  
   # Install Moose
   
  -RUN omv install Moose
  +###RUN omv install Moose
   
   
   # Update PyNN
   
  -USER docker
  -RUN $HOME/env/neurosci/bin/pip uninstall pynn -y
  +###USER docker
  +###RUN $VENV/bin/pip uninstall pynn -y
   
   USER root
   RUN git clone https://github.com/NeuralEnsemble/PyNN.git  && \
       cd  PyNN && \
       git checkout neuroml && \  
  -    $HOME/env/neurosci/bin/python  setup.py install && \
  +    $VENV/bin/python  setup.py install && \
       cd -   # neuroml branch has the latest NML2 import/export code!
   RUN which python
   
   # Update Brian
   
  -RUN git clone https://github.com/brian-team/brian.git
  -RUN cd brian && $HOME/env/neurosci/bin/python setup.py install && cd -
  +###RUN git clone https://github.com/brian-team/brian.git
  +###RUN cd brian && $HOME/env/neurosci/bin/python setup.py install && cd -
   
   
   # Install Brian2
   
  -RUN $HOME/env/neurosci/bin/pip install Brian2
  +##RUN $HOME/env/neurosci/bin/pip install Brian2
   
   
   # Get some latest Python packages
   
  -RUN $HOME/env/neurosci/bin/pip install lazyarray --upgrade
  +##RUN $HOME/env/neurosci/bin/pip install lazyarray --upgrade
   
   
   # Some aliases
  
positive.code: 
  # Install NeuroML Python libraries
  
  RUN pip install git+https://github.com/NeuralEnsemble/libNeuroML.git@development
  RUN pip install git+https://github.com/NeuroML/pyNeuroML
  
  
  # Install OMV
  
  RUN git clone https://github.com/OpenSourceBrain/osb-model-validation.git
  RUN cd osb-model-validation && python setup.py install && cd -
  RUN sed -i -e s/'\/usr\/bin\/python'/'\/home\/docker\/env\/neurosci\/bin\/python'/g /usr/local/bin/omv
  
  
  # Install jNeuroML, PyLEMS & NeuroML2
  
  RUN omv install jNeuroML
  ENV JNML_HOME=$HOME/jnml/jNeuroMLJar
  
  RUN omv install jLEMS
  ENV LEMS_HOME=$HOME/jLEMS
  
  RUN omv install PyLEMS_NeuroML2
  
  ENV PATH=$PATH:$JNML_HOME:$LEMS_HOME
  
  
negative.code: 
  # Install NetPyNE
  
  ##RUN git clone https://github.com/Neurosim-lab/netpyne.git  && \
  ##    cd netpyne && \
  ##    git checkout neuroml_updates && \
  ##    $HOME/env/neurosci/bin/python setup.py install && \
  ##    cd -
  
  
  # Install GENESIS
  
  ###RUN apt-get install -y bison flex unzip
  ###RUN $VENV/bin/omv install genesis
  ###ENV PATH=$PATH:$HOME/genesis/genesis2.4gamma-master/src
  
  
  # Install OSB_API
  