Merge pull request #4 from mancdaz/master

Merged automatically by jenkins after successful build test
Merge branch 'master' of github.com:rcbops-cookbooks/haproxy
Merge pull request #5 from mancdaz/master

Merged automatically by jenkins after successful build test
install instead of upgrade
Merge pull request #6 from rackerjoe/install

Merged automatically by jenkins after successful build test
Merge branch 'master' of github.com:rcbops-cookbooks/haproxy
use get_ip_for_net properly