add the --insecure option to disable SSL certificate verification
add the --insecure option to disable SSL certificate verification

Change-Id: I6488b3f753dfb37e2febdc791e979edc340d2c11

openstack/ospurge,tnahak/ospurge,stackforge/ospurge,FlorentFlament/ospurge-packaging,DigitalPacific/ospurge,openstack/ospurge,remoteur/ospurge,JonasPf/ospurge