Install vis with in docker

Dockerfile

@@ -78,7 +78,8 @@ RUN conda install --quiet --yes \
 WORKDIR /opt/tutorials
 COPY tutorials/ .
 
-RUN pip install ./analytics-convolutional-nn 
+RUN pip install ./analytics-convolutional-nn \
+ && pip install 'git+https://github.com/raghakot/keras-vis.git'
 RUN pip install ./analytics-exploratory-analysis
 RUN pip install ./analytics-nn-regression
 RUN pip install ./analytics-query-nomad-archive