Install the new schema-image.json

Related to https://review.openstack.org/#/c/45672/

Change-Id: Ia5bfe14a5130004777d4c10e17cfdb324a66eff6
Source lib/tls in upgrade-keystone

This will allow use of certificate installation code in devstack for
keystone.

Change-Id: I245d0fd816e25cb81fadd2929c7b2b77323db881
Merge "Install the new schema-image.json"
Merge "Source lib/tls in upgrade-keystone"