Add sessionId to error messages

Summary: Will allow us to look into bad sessions if necessary.

Reviewed By: passy

Differential Revision: D13695386

fbshipit-source-id: 2cfc8ec28ef4cb387ef7a5a58b02aa77a367ae81

src/fb-stubs/Logger.js

@@ -12,7 +12,7 @@ import ScribeLogger from './ScribeLogger';
 var instance: ?LogManager = null;
 
 export default class LogManager {
-  constructor(store: ?Store) {
+  constructor(store: Store) {
     this.scribeLogger = new ScribeLogger(this);
   }