Merge pull request #2 from xzzy/master

pydot module fix

Author: xzzy

dockerdev/Dockerfile

@@ -7,7 +7,7 @@ RUN apt-get install --no-install-recommends -y libpq-dev git ssh sudo
 RUN apt-get install --no-install-recommends -y screen
 RUN apt-get install --no-install-recommends -y virtualenv
 RUN apt-get install --no-install-recommends -y graphviz
-RUN apt-get install --no-install-recommends -y python3-pydot-ng
+RUN apt-get install --no-install-recommends -y python3-pydot
 
 RUN openssl req -new -newkey rsa:4096 -days 3650 -nodes -x509 -subj  "/C=AU/ST=Western Australia/L=Perth/O=Development Environment/OU=IT Department/CN=example.com"  -keyout /etc/ssl/private/selfsignedssl.key -out /etc/ssl/private/selfsignedssl.crt