Use ensure_packages to install utilities

* Remove nested declaration of nova::utilities::install

Change-Id: I232f8aae8889e448710157966de61510d7420c63
Fix some puppet lint warnings.

Puppet-lint likes the ensure's to come first.

Change-Id: I127ee497d01c7a466338a334a61b47d862d79097
Merge "Use ensure_packages to install utilities"
Merge "Fix some puppet lint warnings."