Migrate haproxy to svc-map

This patch migrates the haproxy element from map-services to
svc-map by adding a svc-map file and adding the -a option to
the call to os-svc-enable.

Change-Id: Ib01a14cfb61eafb0ba3e484ae2a7d441d242b330
Merge "Migrate haproxy to svc-map"