Merge pull request #13 from j420n/master

Change completion text and keep dgud7_default_db.sql.gz after extraction
Merge pull request #15 from j420n/master

zcat to import database to keep zipped file intact
Add user keys.
Mount the /vagrant folder using the www-group

Fixes #16
Merge pull request #17 from datagovuk/16-vagrant-folder-ownership

Mount the /vagrant folder using the www-group
Remove redundant comment.
Add whitespace.
Split key only additions into diffent class to resolve dependency issues.
Add post stage.
Add dgu_defaults class to vagrant and standards node.
Remove nodejs as it's now included in developer tools.
Update standards server.
Add epimiorphics user and key and create epimorphics_defaults class.
Add nodes for dataconversion and dataservice hosts.
Add sudo module.
Add sudo configuration.
Add epimorpics role to epimorphics defaults.
Add dgu_defaults to epimorphics servers.
Facts first. Trying to resolve a variable dependency issue.
 Trying to resolve a variable dependency issue.