anchor.diff:  
   RUN apt-get install -y openjdk-7-jdk \
       && apt-get install -y openjdk-8-jdk \
  -	&& apt-get install -y maven
  +	&& apt-get install -y maven \
  +	&& apt-get clean all
   
   RUN echo "deb http://dl.bintray.com/sbt/debian /" | tee -a /etc/apt/sources.list.d/sbt.list \
       && apt-get update -y \
  
positive.code:     && add-apt-repository ppa:openjdk-r/ppa \
      && apt-get update -y \
      && apt-get clean all \
      && apt-get install -y git git-svn subversion \
      && apt-get install -y colordiff gzip tar unzip \
      && apt-get install -y vim tmux xterm firefox lynx curl wget \
      && apt-get install -y vnc4server ubuntu-desktop cinnamon gnome gnome-session gnome-panel gnome-settings-daemon gnome-terminal metacity nautilus
  
  ENV DOCKER_VERSION 1.6.0
  ENV DOCKER_COMPOSE_VERSION 1.2.0
  
negative.code:     && curl -SL http://downloads.typesafe.com/scala/${SCALA_VERSION}/scala-${SCALA_VERSION}.deb -o scala-${SCALA_VERSION}.deb \
      && dpkg -i scala-${SCALA_VERSION}.deb \
      && apt-get install -f \
      && apt-get clean all \
  	&& curl -SL http://downloads.typesafe.com/typesafe-activator/${TYPESAFE_ACTIVATOR_VERSION}/typesafe-activator-${TYPESAFE_ACTIVATOR_VERSION}-minimal.zip -o typesafe-activator-${TYPESAFE_ACTIVATOR_VERSION}-minimal.zip \
  	&& unzip typesafe-activator-${TYPESAFE_ACTIVATOR_VERSION}-minimal.zip -d /usr/local/ \
  	&& ln -s /usr/local/activator-${TYPESAFE_ACTIVATOR_VERSION}-minimal /usr/local/typesafe-activator \
  