Bump version for development 0.1.5
Allow option of how non-loopback addresses are set
Only write template if mappings exist (prevent empty hosts file generation)
use hostname for hostname, fqdn and localhost as aliases, handle nil fqdn
updated public_ips attribute comment for new values
Merge pull request #6 from hw-cookbooks/fqdn

use hostname for hostname, fqdn & localhost as aliases, fixed public_ips
Update version for release v0.2.0