Initial add of haproxy example for fronting a number of radosgw's
more meaningful backend name
fix up indentation in configuration file
microformat variable to be in line with rest of roles and playbooks
make radosgw_interface configurable for haproxy
note what the radosgw_interface variable means
Fix typo in handler
re-tab/indent configuration
Merge pull request #47 from jcftang/wip-haproxy

Example HAProxy configuration