anchor.diff:  LABEL maintainer mvine@silklabs.com
   
   RUN apt-get update -qq && \
  -    apt-get install -y software-properties-common python-software-properties && \
  +    apt-get install -y \
  +      apt-transport-https \
  +      python-software-properties \
  +      software-properties-common && \
       add-apt-repository -y ppa:amarburg/opencv3 && \
       add-apt-repository -y ppa:george-edison55/cmake-3.x && \
       add-apt-repository -y ppa:git-core/ppa && \
  
positive.code:     add-apt-repository -y ppa:ubuntu-toolchain-r/test && \
      apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv EA312927 && \
      echo "deb http://repo.mongodb.org/apt/ubuntu trusty/mongodb-org/3.2 multiverse" > /etc/apt/sources.list.d/mongodb-org-3.2.list && \
      apt-get update && \
      DEBIAN_FRONTEND=noninteractive \
        apt-get install -y \
  
negative.code:         autoconf \
          bc \
          build-essential \
          buildkite-agent \
          bsdmainutils \
          ccache \
          chrpath \
  