init: Tuned restart procedure for the hosted-engine agent
init: Tuned restart procedure for the hosted-engine agent

In the next patches we plan to rely on the systemd to provide
he agent availability. To achieve this i'm updating restart settings,
so agent will be always restarted, not often then 10 seconds.

Change-Id: I1919a7d90f8d09dcddd705992d278d5455fd2e8b
Bug-Url: https://bugzilla.redhat.com/1378310
Signed-off-by: Denis Chaplygin <c9765bc4e17067a9b371ba0697b416c9f2022720@redhat.com>

oVirt/ovirt-hosted-engine-ha,oVirt/ovirt-hosted-engine-ha,oVirt/ovirt-hosted-engine-ha,oVirt/ovirt-hosted-engine-ha