Upgraded Docker and Docker Compose for build environment

.travis.yml

@@ -6,12 +6,26 @@ python:
   - "3.5"
 
 env:
-  - DEVSTACK_WORKSPACE=/tmp
+  - DEVSTACK_WORKSPACE=/tmp DOCKER_COMPOSE_VERSION=1.13.0
 
 services:
   - docker
 
 before_install:
+  # Upgrade Docker to the latest version
+  - docker version
+  - sudo apt-get update
+  - sudo apt-get -y -o Dpkg::Options::="--force-confnew" install docker-engine
+  - docker version
+
+  # Upgrade Docker Compose to the latest version
+  - docker-compose --version
+  - sudo rm /usr/local/bin/docker-compose
+  - curl -L https://github.com/docker/compose/releases/download/${DOCKER_COMPOSE_VERSION}/docker-compose-`uname -s`-`uname -m` > docker-compose
+  - chmod +x docker-compose
+  - sudo mv docker-compose /usr/local/bin
+  - docker-compose --version
+
   - make requirements
   - make dev.clone