Changes to try and pass the URL parameters through - in memory flag not working still

weed/pb/master.proto

@@ -139,6 +139,7 @@ message AssignRequest {
     string data_center = 5;
     string rack = 6;
     string data_node = 7;
+    bool in_memory = 8;
 }
 message AssignResponse {
     string fid = 1;