split liveUpdateInit() out of NavUpdate() so we do not need to wait for initial ping to complete before we can init liveUpdate(). clean up main.js and bump version.

boot.php

@@ -50,7 +50,7 @@ require_once('include/hubloc.php');
 require_once('include/attach.php');
 
 define ( 'PLATFORM_NAME',           'hubzilla' );
-define ( 'STD_VERSION',             '2.9.1' );
+define ( 'STD_VERSION',             '2.9.2' );
 define ( 'ZOT_REVISION',            '1.3' );
 
 define ( 'DB_UPDATE_VERSION',       1198  );