deal with names that have multiple IPs
Merge remote-tracking branch 'zimk/master' into bugfix/gethostbyname_ex

Conflicts:
	fwadmin/templates/fwadmin/new_host.html
fix typo
update tests to reflect new gethostbyname_ex usage
workaround travis localhost oddness
Merge pull request #26 from mvo5/bugfix/gethostbyname_ex

deal with names that have multiple IPs