anchor.diff: +#
  +# Primary OpenCog Dockerfile
  +#
  +# Usage:  docker build -t $USER/opencog .
  +#         docker run -it $USER/opencog
  +#
   FROM ubuntu:14.04
  +MAINTAINER David Hart "dhart@opencog.org"
  +MAINTAINER Linas Vepstas "linasvepstas@gmail.com"
   
   RUN apt-get update 
   RUN apt-get -y install software-properties-common python-pip
   
  -# ocpkg tool to install repositories and dependencies
  -COPY scripts/ocpkg scripts/install-dependencies-trusty\
  -    opencog/python/requirements.txt /tmp/
  +# Use the ocpkg tool to install repositories and dependencies
  +COPY scripts/ocpkg /tmp/install-dependencies-trusty
  +COPY opencog/python/requirements.txt /tmp/
   RUN chmod +x /tmp/install-dependencies-trusty
   RUN /tmp/install-dependencies-trusty
   RUN pip install -U -r /tmp/requirements.txt
   
   # Tools
  -RUN apt-get -y install git
  +RUN apt-get -y install git wget
   RUN apt-get -y install rlwrap telnet netcat-openbsd
   
   # Environment Variables
  
positive.code: RUN adduser opencog sudo
  RUN echo '%sudo ALL=(ALL) NOPASSWD:ALL' >> /etc/sudoers
  USER opencog
  
  # Defaults
  ## cogserver shell ports
  
negative.code: EXPOSE 5432
  
  # Docker defaults
  CMD bash
  