Merge branch '2021-04-06T13.22.08-Branched_from_master-Fix_itango_Dockerfile' into 'master'

Add missing \

See merge request !13

docker-compose/itango/Dockerfile

@@ -11,5 +11,5 @@ RUN sudo apt-get -y update && \
     sudo aptitude autoclean
 
 COPY lofar-requirements.txt /lofar-requirements.txt
-RUN sudo pip3 install -r /lofar-requirements.txt &&
+RUN sudo pip3 install -r /lofar-requirements.txt && \
     sudo pip3 cache purge