Enable swift properties in all in one scenario

Sets the data model properties required in order
to support swift in a all in one scenario. This will
install and enable both swift storage and swift proxy
on a single node.

Associated Merged Changes:
https://review.openstack.org/#/c/62746/
https://review.openstack.org/#/c/62744/

Change-Id: I00aec0e3fd50a87481783dd07c7e6688332d78aa
(cherry picked from commit 4c7aeb9795d844ed9f593c6360adbd64ab86b10c)
Merge pull request #25 from CiscoSystems/cherry_pick_for_time

Enable swift properties in all in one scenario