restart firewalld to apply firewall changes
restart firewalld to apply firewall changes

In order for the firewalld changes to apply, we must either restart
firewalld (as in this commit), or issue the four add-port commands
listed in the doc again w/o the "--permanent".

Change-Id: I09a12024085c315117bc27d095bae91af9c00d5e

nihilifer/kolla,negronjl/kolla,GalenMa/kolla,dardelean/kolla-ansible,mandre/kolla,toby82/kolla,limamauricio/mykolla,tonyli71/kolla,dardelean/kolla-ansible,mandre/kolla,rahulunair/kolla,GalenMa/kolla,limamauricio/mykolla,mrangana/kolla,stackforge/kolla,openstack/kolla,stackforge/kolla,tonyli71/kolla,toby82/kolla,mandre/kolla,openstack/kolla,intel-onp/kolla,dardelean/kolla-ansible,negronjl/kolla,intel-onp/kolla,limamauricio/mykolla,nihilifer/kolla,coolsvap/kolla,coolsvap/kolla,mrangana/kolla,negronjl/kolla,toby82/kolla,rahulunair/kolla,stackforge/kolla,coolsvap/kolla