ipsec uses starter, and reads /etc/ipsec.conf (which then includes
/var/ipsec/ipsec.conf, etc). This is overly complicated, and can
be problematic if you're using both swanctl and ipsec for migration.

Running charon directly from procd via the init.d script avoid
all of this.

Signed-off-by: Philip Prindeville <philipp@redfish-solutions.com>