Do not add duplicates, and delete duplicates
fixed path issues, fixed issue with relocation and adding new ports and hosts
Merge pull request #1540 from AppScale/delete-dups

Do not add duplicates, and delete duplicates
ignore invalid headers in nginx
Do not reload IPs from ZK, but local files
Merge pull request #1541 from nlake44/nginx-allow-headers

ignore invalid headers in nginx
Merge pull request #1542 from nlake44/djinn-slave-restore

Djinn slave restore
Fixed nginx issue where it would be fatal, cleaned up ruby code to make it more readable, fixed issue on restart with appcontroller state file, removed names from source code
Merge pull request #1543 from nlake44/nginx-fix

Fixed nginx issue where it would be fatal, cleaned up ruby code to make ...