Print rkt and docker versions after installing

scripts/install_rkt.sh

@@ -9,3 +9,5 @@ wget https://github.com/coreos/rkt/releases/download/$RKT_VERSION/rkt-$RKT_VERSI
 tar xzvf rkt-$RKT_VERSION.tar.gz
 sudo cp rkt-$RKT_VERSION/rkt $DEST_DIR
 sudo cp rkt-$RKT_VERSION/*.aci $DEST_DIR
+
+rkt version

scripts/update_docker.sh

@@ -11,3 +11,5 @@ sudo apt-key adv --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys 58
 echo "deb https://apt.dockerproject.org/repo ubuntu-trusty main" | sudo tee /etc/apt/sources.list.d/docker.list
 sudo apt-get update
 sudo apt-get install docker-engine=$DOCKER_VERSION-0~`lsb_release -cs` -y --force-yes
+
+docker version