Initial msync run for all Puppet OpenStack modules

Initial msync run for all Puppet OpenStack modules

This patch is the initial modulesync run, it impacts:

* gitignore: just a sync between projects
* gemfile:
  - update and allow to setup facter version and gem source
  - split beaker gems with a dedicated group
  - switch to rspec-puppet 2.2.0
* rakefile:
  - use the new syntax for lint configuration
  - add a acceptance target
* acceptance:
  - sync nodesets
  - update tests in order to use zuul-cloner
* spec: added rspec coverage report

Change-Id: Iadefbe2cc0525224e9917c6712712c67ce1e0fff