v1.3.0: Merge pull request #9 from Indatus/add-digitalocean-user-data

Adds cloud config functionality to droplet creation.
You can now specify the path to a cloud config script in the provision
config file. The script will be executed during the droplet's creation.
This allows you to run provisioning alongside creating a new droplet.

Added info to the README and example files.

v1.2.0: Merge pull request #4 from michaelbunch/shipper

Assembler can now ship a Docker container by using docker pull and start the container via docker run.

v1.1.0: Merge pull request #1 from leftyhitchens/master

Restructure to allow us to add your own cloud provider.
Destroy task so that you can remove servers via Assembler.