anchor.diff:          libprotobuf-dev \
           libsnappy-dev \
           libtool \
  +        libusb-1.0-0-dev \
           libxml2-utils \
           linux-libc-dev  \
           m4 \
  
positive.code:         python-pip \
          python-virtualenv \
          rsync \
          texinfo \
          unzip \
          vim \
  
negative.code: RUN wget -q https://nodejs.org/dist/v6.9.1/node-v6.9.1-linux-x64.tar.gz && \
      tar -x -C /usr/local --strip-components 1 -f node-v6.9.1-linux-x64.tar.gz && \
      rm node-v6.9.1-linux-x64.tar.gz
  
  # Useful npm packages
  RUN npm install -g mvines/relay
  
  # Install ninja
  RUN wget -q https://github.com/ninja-build/ninja/releases/download/v1.7.2/ninja-linux.zip && \
  