Add monit polling, and make /ping available on IPv6
Add space
Merge pull request #3 from Metaswitch/monitoring

[Reviewer - Ellie] Add monit polling, and make /ping available on IPv6
Comment out hostheader to get monit to run
Merge pull request #4 from Metaswitch/install_error

[Reviewer: Mike] Comment out hostheader to get monit to run