Migrates from map-services to svc-map

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

Change-Id: If61fa0fdfb4ba031c54b54ad4267f12da9bca903
Merge "Migrates from map-services to svc-map"