Summary: OpenAustralia Vagrantfile added + docs updated

Changesets:
- Add brief description on how to setup the development environment
- Put .vagrant folder in .gitignore
- Added the Vagrantfile and the provisioning for base provisioning of docker host + add updated docker containers
- Added some data from the downloaded XML
- TODO: Add container for the parser
- TODO: Easier mount of source from host to Docker guest; current source code is inside the docker image