Only perform ufw disable, if its installed
Only perform ufw disable, if its installed

puppet fail to run if ufw is not installed, so only run disable-ufw
if ufw is installed.

anshprat/jiocloud-contrail,JioCloud/jiocloud-contrail,vpramo/jiocloud-contrail,vpramo/jiocloud-contrail,vpramo/jiocloud-contrail,JioCloud/jiocloud-contrail,anshprat/jiocloud-contrail,hkumarmk/jiocloud-contrail,anshprat/jiocloud-contrail,JioCloud/jiocloud-contrail