More refactoring stuff

- Add a waitForEventQueue promise, to get rid of the 5 second fudge from testBot.js
- Async'ify testBot.js
- Complete plumbing for Hint's ScriptDialog support (see changes to ScriptDialogEvent.ts and Comms.ts
- Fix: The EventQueue was pausing for 5 seconds every 30 seconds

dist/classes/ClientEvents.js

@@ -17,6 +17,7 @@ class ClientEvents {
         this.onGroupChatAgentListUpdate = new Subject_1.Subject();
         this.onFriendResponse = new Subject_1.Subject();
         this.onScriptDialog = new Subject_1.Subject();
+        this.onEventQueueStateChange = new Subject_1.Subject();
     }
 }
 exports.ClientEvents = ClientEvents;