Fixes for VOLTHA-ONOS communication:

 * Add TLS parameters to ofagent
 * Add config-push container to get ONOS config pushed

Change-Id: Ia579c663108141cb466802fa55885f307fcb68c1
diff --git a/docker/Dockerfile.configpush b/docker/Dockerfile.configpush
index f096852..fbba535 100644
--- a/docker/Dockerfile.configpush
+++ b/docker/Dockerfile.configpush
@@ -17,6 +17,7 @@
 RUN apk --update add curl
 
 COPY config/config-push /config-push
+RUN chmod +x /config-push
 COPY config/onos-config.json /data/onos-config.json
 
 VOLUME ["/data"]