fix start service in background
Merge pull request #7 from gianarb/fix/override-hash-and-fix-service

Fix start service in background
Add version parameter where a specific package version can be installed

New pillar setting version allows to set the version of the package to be
fetched.
The package is fetched from the official downloads page.
Set pillar version pillar attributes
Replace owner for user parameter
Use 64 bits VM
Merge pull request #8 from seegno/enhancement/version-in-pillar

Add version parameter where a specific package version can be installed