Add push

Author: jason-fox

.github/fiware/image-clone.sh

@@ -13,6 +13,7 @@ function clone {
    echo 'cloning from '"$1 $2"' to '"$3"
    docker pull -q "$1":"$2"
    docker tag "$1":"$2" "$3":"$2"
+   docker push -q "$3":"$2"
 
    if ! [ -z "$4" ]; then
         echo 'pushing '"$1 $2"' to latest'