dvm + machine: Easy testing for apps that support multiple Docker versions

create-machines.sh

# create docker-machines and use dvm to switch client binaries.

docker-machine create \
    --driver=virtualbox \
    --virtualbox-boot2docker-url=https://github.com/boot2docker/boot2docker/releases/download/v1.10.2/boot2docker.iso \
    1.10.2-dev

docker-machine create \
    --driver=virtualbox \
    --virtualbox-boot2docker-url=https://github.com/boot2docker/boot2docker/releases/download/v1.9.1/boot2docker.iso \
    1.9.1-dev

docker-machine create \
    --driver=virtualbox \
    --virtualbox-boot2docker-url=https://github.com/boot2docker/boot2docker/releases/download/v1.9.0/boot2docker.iso \
    1.9.0-dev

docker-machine create \
    --driver=virtualbox \
    --virtualbox-boot2docker-url=https://github.com/boot2docker/boot2docker/releases/download/v1.8.3/boot2docker.iso \
    1.8.3-dev
    
docker-machine create \
    --driver=virtualbox \
    --virtualbox-boot2docker-url=https://github.com/boot2docker/boot2docker/releases/download/v1.8.2/boot2docker.iso \
    1.8.2-dev
    
docker-machine create \
    --driver=virtualbox \
    --virtualbox-boot2docker-url=https://github.com/boot2docker/boot2docker/releases/download/v1.8.1/boot2docker.iso \
    1.8.1-dev
    
docker-machine create \
    --driver=virtualbox \
    --virtualbox-boot2docker-url=https://github.com/boot2docker/boot2docker/releases/download/v1.8.0/boot2docker.iso \
    1.8.0-dev

docker-machine create \
    --driver=virtualbox \
    --virtualbox-boot2docker-url=https://github.com/boot2docker/boot2docker/releases/download/v1.7.1/boot2docker.iso \
    1.7.1-dev
    
docker-machine create \
    --driver=virtualbox \
    --virtualbox-boot2docker-url=https://github.com/boot2docker/boot2docker/releases/download/v1.7.0/boot2docker.iso \
    1.7.0-dev

docker-machine create \
    --driver=virtualbox \
    --virtualbox-boot2docker-url=https://github.com/boot2docker/boot2docker/releases/download/v1.6.2/boot2docker.iso \
    1.6.2-dev
    
docker-machine create \
    --driver=virtualbox \
    --virtualbox-boot2docker-url=https://github.com/boot2docker/boot2docker/releases/download/v1.6.1/boot2docker.iso \
    1.6.1-dev
    
docker-machine create \
    --driver=virtualbox \
    --virtualbox-boot2docker-url=https://github.com/boot2docker/boot2docker/releases/download/v1.6.0/boot2docker.iso \
    1.6.0-dev
    
# Install dvm https://github.com/getcarina/dvm
# Ex. Docker 1.6.0 testing
dvm install 1.6.0
eval `docker-machine env 1.6.0-dev`