Update handler.go (#3465)
Update handler.go (#3465)

Restore HTTP+ response logging to debug level.
ceejatec/sync_gateway,ceejatec/sync_gateway,couchbaselabs/sync_gateway,couchbaselabs/sync_gateway,couchbaselabs/sync_gateway,ceejatec/sync_gateway,couchbaselabs/sync_gateway,ceejatec/sync_gateway