Add temporary rzmq workaround to other R stacks

Required to rebuild now that a merge went in touching minimal

(c) Copyright IBM Corp. 2015

datascience-notebook/Dockerfile

@@ -81,6 +81,11 @@ RUN conda install --yes \
     'r-rcurl=1.95*' \
     'r-randomforest=4.6*' && conda clean -yt
 
+# WORKAROUND: symlink version of zmq required by latest rzmq back into conda lib
+# https://github.com/jupyter/docker-stacks/issues/55
+RUN ln -s /opt/conda/pkgs/zeromq-4.0.*/lib/libzmq.so.4.* /opt/conda/lib/libzmq.so.4 
+RUN ln -s /opt/conda/pkgs/libsodium-0.4.*/lib/libsodium.so.4.* /opt/conda/lib/libsodium.so.4
+
 # Install IJulia packages as jovyan and then move the kernelspec out
 # to the system share location. Avoids problems with runtime UID change not 
 # taking effect properly on the .local folder in the jovyan home dir.

r-notebook/Dockerfile

@@ -36,4 +36,9 @@ RUN conda install --yes \
     'r-rcurl=1.95*' \
     'r-randomforest=4.6*' && conda clean -yt
 
+# WORKAROUND: symlink version of zmq required by latest rzmq back into conda lib
+# https://github.com/jupyter/docker-stacks/issues/55
+RUN ln -s /opt/conda/pkgs/zeromq-4.0.*/lib/libzmq.so.4.* /opt/conda/lib/libzmq.so.4 
+RUN ln -s /opt/conda/pkgs/libsodium-0.4.*/lib/libsodium.so.4.* /opt/conda/lib/libsodium.so.4
+
 USER root
\ No newline at end of file