Switch to 0.1.0 tag for heat plugin, fix workdir

Change-Id: Ia44d709aa83c8879903e4955153555de0c4f89d1
diff --git a/Dockerfile b/Dockerfile
index 0c6ee3b..6b9b96d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -17,7 +17,7 @@
     popd;
 
 RUN git clone https://github.com/openstack/heat-tempest-plugin && \
-    pushd heat-tempest-plugin; pip install -r requirements.txt; \
+    pushd heat-tempest-plugin; git checkout 0.1.0; pip install -r requirements.txt; \
     popd;
 
 COPY rally/ /var/lib/cvp-configuration/rally
@@ -25,4 +25,6 @@
 COPY cleanup.sh  /var/lib/cvp-configuration/cleanup.sh
 COPY configure.sh /var/lib/cvp-configuration/configure.sh
 
+WORKDIR /home/rally
+
 ENTRYPOINT ["/bin/bash"]