anchor pgsql client to compensate module fuckups
Adapted README to match most use cases better.

I think for the subtree and the pull --squash matches the use case of most the users better.
New directory/hiera structure

As proposed in GH-21
clean up whitespace/unused variable
Add basic Gemfile
Clean up .gitignore
remove devstack.yml compatibility support
fix box name
Vagrantfile: Remove reference to devstack.yaml
libaugeas-ruby is not needed anymore
Ensure defaults are fetched from vagrant-cfg.dist
Merge pull request #24 from Mayflower/dir-hiera-structure

Added possibility for hiera structure
Beef up README.md