Add nginx frontend to allow co-location with memento/homer/homesteasd-prov
Enable the Ellis site on install
Make sure nginx can read the socket
Ellis starts two processes per core so has twice as many domain sockets
Merge pull request #84 from Metaswitch/use-nginx

Reviewer Matt - Use nginx in Ellis
Don't set onlyipv6 twice
Don't support contacting homestead over HTTPS
Merge pull request #85 from Metaswitch/use-nginx

No review required - Nginx fixes
Fix UTs
Merge pull request #86 from Metaswitch/use-nginx

No review required - Fix UTs
Use correct hostname
Merge pull request #87 from Metaswitch/use-nginx

No review required - Use correct hostname