Rescal Matcher, adjust docker file
# use java as a base image
# fix java version here until the following issue is resolved: https://github.com/researchstudio-sat/webofneeds/issues/1229
-FROM openjdk:8u121-jdk
+FROM openjdk:8-jdk
# install python + required packages
RUN apt-get update && apt-get install -y python-numpy python-scipy
