Nginx subdomains (#564)
Nginx subdomains (#564)

* Add server config for requests to test.sumofus.org

* Specify the right host...

* Use production instead of staging settings

* redirect /petitions to /a

* Add working rewrite for petitions path

* Change configuration back to production server

SumOfUs/Champaign,SumOfUs/Champaign,SumOfUs/Champaign,SumOfUs/Champaign,SumOfUs/Champaign