CFY-145 use agent security group from provider context when starting a new server
CFY-145 use agent security group from provider context when starting a new server

szpotona/cloudify-openstack-plugin,geokala/cloudify-openstack-plugin,codilime/cloudify-openstack-plugin,GigaSpaces-ProfessionalServices/cloudify-openstack-plugin,isaac-s/cloudify-openstack-plugin