Initial msync run for all Puppet OpenStack modules

Initial msync run for all Puppet OpenStack modules

This patch is the initial modulesync run, it impact:

* 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
* spec: added rspec coverage report

Change-Id: I34e999a752667d5f85266bc64059d9740ccbc367