Allow multiple binds per service in haproxy

The binds parameter in HAProxy can be repeated multiple times to bind to
multiple interfaces/ports. Creating a section called net_binds which
contains a list of optional IP and port parameters to set these.

Change-Id: Iec9fe803786738f3026cf8892c70b76d8fce4305
Merge "Allow multiple binds per service in haproxy"