deployment/nginx: add all required headers for cors requests
deployment/nginx: add all required headers for cors requests

szkl/koding,cihangir/koding,szkl/koding,koding/koding,cihangir/koding,cihangir/koding,koding/koding,koding/koding,koding/koding,koding/koding,cihangir/koding,cihangir/koding,koding/koding,szkl/koding,koding/koding,cihangir/koding,koding/koding,szkl/koding,szkl/koding,cihangir/koding,szkl/koding,szkl/koding,cihangir/koding,szkl/koding