update deps and allow override with heira
updated to svg
Merge pull request #28 from boxen/update-virtualbox

update deps and allow override with heira
update
Merge pull request #29 from boxen/update-virtualbox

Update Deps
Merge branch 'master' of https://github.com/boxen/puppet-virtualbox

Conflicts:
	manifests/init.pp
	spec/classes/virtualbox_spec.rb