Adding the option of using a \* in the haproxy_hosts file.

This allows us to use the PROXY commands in environments where the IP address
of a load balancer isn't known (such as EC2).
Updating the PR to use ipaddr to determine whether
a remote IP address matches an ip address in the haproxy_hosts list.
Updated the associated docs.
Merge pull request #486 from msimerson/public_suffix_list

net_utils: added a few same_ipv4_network tests
Merge pull request #484 from fredjean/master

Adding the option of using CIDR ranges in the haproxy_hosts file.
Merge pull request #459 from baudehlo/msimerson-note_only

Re-implementation of note storage as result_store