anchor.diff:  RUN apt-get -y install gcc g++ make
   
   # Java
  -RUN apt-get -y install openjdk-7-jdk
  +RUN apt-get -y install openjdk-8-jdk
   RUN apt-get -y install ant
  +RUN apt-get -y install maven
   RUN apt-get -y install libcommons-logging-java
   
   # Wordnet
  
positive.code: # Unpack the sources, too.
  RUN tar -zxf current/link-grammar-5*.tar.gz
  
  RUN (cd link-grammar-5.*/; ./configure; make -j6; sudo make install; ldconfig)
  
  # Relex -- changes often
  ADD http://github.com/opencog/relex/archive/master.zip /home/Downloads/relex-master.zip
  RUN (unzip relex-master.zip; cd relex-master; ant)
  
  # Create and switch user. The user is privileged, with no password
  # required.  That is, you can use sudo.
  
negative.code: # http://stackoverflow.com/questions/25019183/docker-java7-install-fail
  ENV DEBIAN_FRONTEND noninteractive
  
  ENV JAVA_HOME /usr/lib/jvm/java-8-openjdk-amd64
  
  # Change line below only if you really, really need a newer OS version.
  # Otherwise, leave it alone, and the cache will be used.
  