Reduce install size

This is a trade-off, it increases the base size some _but_ it
decreases the total size by a few hundred MB.

Partially-Implements: blueprint openstack-common-container

Change-Id: I1216deed122aa734e0c84325264a53711d94ea4c

docker/base/Dockerfile.j2

@@ -213,6 +213,21 @@ RUN curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py \
     && python get-pip.py \
     && rm get-pip.py \
     && pip --no-cache-dir install \
+        python-barbicanclient \
+        python-ceilometerclient \
+        python-congressclient \
+        python-designateclient \
+        python-heatclient \
+        python-ironicclient \
+        python-magnumclient \
+        python-manilaclient \
+        python-mistralclient \
+        python-muranoclient \
+        python-saharaclient \
+        python-swiftclient \
+        python-troveclient \
+        python-tuskarclient \
+        python-zaqarclient \
         python-openstackclient \
         MySQL-python \
         numpy