Add support for "ansible.tags" attribute
Add a Joker to pass raw options to ansible-playbook call
Support different verbosity levels with 'ansible.verbose'
Fix typo error (single dash: -vv not --vv)
Add support for "ansible.start_at_task" attribute
protected not private
Add support for "ansible.skip_tags" attribute
Merge branch 'more_ansible_options' of https://github.com/gildegoma/vagrant into gildegoma-more_ansible_options

Conflicts:
	plugins/provisioners/ansible/provisioner.rb
Update CHANGELOG