Migrate keystone to svc-map

This patch migrates the keystone element from map-services
to svc-map by adding a svc-map file and adding the -a option to
os-svc-install script calls.  This patch also adds sets pipefail
where apropriate to pass dib-lint.

Change-Id: Iaa0856d1cec9e8ed884a86c32a094f66770281a4
Merge "Migrate keystone to svc-map"