Merge branch 'candidate-7.8.0' into candidate-7.8.x

Signed-off-by: Richard Chapman <rchapman@hpccsystems.com>

dockerfiles/buildall.sh

@@ -84,7 +84,8 @@ build_image() {
     if [ "$LATEST" = "1" ] ; then
       docker tag hpccsystems/${name}:${label} hpccsystems/${name}:latest
       if [ "$PUSH" = "1" ] ; then
-        docker push hpccsystems/${name}:${label} hpccsystems/${name}:latest
+        docker push hpccsystems/${name}:${label}
+        docker push hpccsystems/${name}:latest
       fi
     else
       if [ "$PUSH" = "1" ] ; then