Set Docker Version in Travis to 1.11.0 (#221)

* Set version to 1.11.0

* Change min docker version in quickstart

.travis.yml

@@ -13,7 +13,7 @@ before_install:
   - sudo apt-get clean
   - sudo apt-get update
   - sudo apt-key update
-  - sudo apt-get -qqy -o Dpkg::Options::="--force-confdef" -o Dpkg::Options::="--force-confold" install docker-engine
+  - sudo apt-get -qqy -o Dpkg::Options::="--force-confdef" -o Dpkg::Options::="--force-confold" install docker-engine=1.11.0-0~xenial
   - sudo rm -f /usr/local/bin/docker-compose
   - curl -L https://github.com/docker/compose/releases/download/1.7.1/docker-compose-`uname -s`-`uname -m` > docker-compose
   - chmod +x docker-compose

quickstart.sh

@@ -31,7 +31,7 @@ testdata=${osm_area}.osm.pbf
 
 ##  Min versions ...
 MIN_COMPOSE_VER=1.7.1
-MIN_DOCKER_VER=1.10.0
+MIN_DOCKER_VER=1.11.0
 STARTTIME=$(date +%s)
 STARTDATE=$(date +"%Y-%m-%dT%H:%M%z")
 githash=$( git rev-parse HEAD )