CA-113235: Don't call init.d scripts directly

Some daemons are launched invoking /etc/init.d scripts directly. This
could be a problem in environment with upstart which wants to know the
status of these services. For this reason it's better to use the {service}
command to notify upstart.

Signed-off-by: Euan Harris <euan.harris@citrix.com>
Merge pull request #1497 from euanh/CA-113235

CA-113235: Don't call init.d scripts directly