message: showReportDialog's option object is optional
diff: @@ -234,7 +234,7 @@ declare module Raven {
  setShouldSendCallback(data: any, orig?: any): RavenStatic;
  /** Show Sentry user feedback dialog */
  - showReportDialog(options: Object): void;
  + showReportDialog(options?: Object): void;
  /*
  * Configure Raven DSN
  