Merge pull request #477 from claco/stable/icehouse

Update maas_repo_version to be in sync
Added repo_package variable file to nova-spice-console

This commit adds the missing repo_pacakges/nova_spice_console.yml file
to the nova-spice-console.yml play.

(cherry picked from commit 154ad40ff4b6cca9568b889b7e3e0615001fc460)

Conflicts:
	rpc_deployment/playbooks/openstack/nova-spice-console.yml
Merge pull request #481 from sigmavirus24/stable/icehouse

Backport to stable/icehouse - Added repo_package variable file to nova-spice-console
Create an empty 'authorized_keys' file

(cherry picked from commit 13825a9a63b134048d26daafc86ef7e750043dda)
Merge pull request #484 from nrb/backport-issue-478

Create an empty 'authorized_keys' file