Use ensure_packages to install utilities

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

Change-Id: I232f8aae8889e448710157966de61510d7420c63
(cherry picked from commit 0903bb1615cbe4c5c0fe5e3b2b708820d1e67865)
Fix some puppet lint warnings.

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

Change-Id: I127ee497d01c7a466338a334a61b47d862d79097
(cherry picked from commit 8f77b5f11c59d77e5091cbf509d92b3b54336370)
Merge "Use ensure_packages to install utilities" into stable/grizzly