Firewalld does not parse the name attribute.

Log message:
firewalld[1999]: ERROR: Failed to load zone file 'public.xml':
PARSE_ERROR: icmp-block-inversion: Unexpected attribute name

update kitchen travis
fix ipsets.sls

I wanted to be able to add an ipset as a source in the zone without using a rich rule.  I believe this change accomplishes that.  Tested and working on CentOS 7 (salt master and minion).

human readable