Changed user/group for unicorn
Changed user/group for unicorn

Shopify/shipit-engine,ershad/shipit-engine,ershad/shipit-engine,perobertson/shipit-engine,Shopify/shipit-engine,perobertson/shipit-engine,Shopify/shipit-engine,perobertson/shipit-engine,perobertson/shipit-engine,ershad/shipit-engine,ershad/shipit-engine,Shopify/shipit-engine,ershad/shipit-engine,Shopify/shipit-engine,perobertson/shipit-engine