Check all host IP addresses in port_open? (#89)
Check all host IP addresses in port_open? (#89)

While testing chef_port_range for itchef, I noticed that port_open? was
incorrectly returning false. This was because we're currently only
checking whether 'localhost' is open, but not other IP addresses on a
host. Because taste-tester listens on '::', the check should be done for
each IP prior to returning a result
jaymzh/between-meals,facebook/between-meals,NaomiReeves/between-meals