js/script.js : Add additional disk usage refresh.

In the current config, the disk usage is only refreshed during
PirateBox start or via Button. With that adjustment we create a
bit more load, but the usage is refreshed better.

CHANGELOG

@@ -12,6 +12,7 @@ CHANGELOG
 * [Fix] Adjust hostapd.conf with comments & addtional parameter for n-mode wifi
 * [Fix] Some help about setting up WPA2 mode for AP in hostapd.conf
 * [Fix] Reduce browser cache to a minimum, which solves issues with shoutbox and diskusage
+* [Fix] Trigger async disk usage refresh during page load
 
 === 1.1.2 ===
 * [Fix] Upgrade 1.1.x - 1.1.x does not create content symlink

piratebox/piratebox/www_content/js/scripts.js

@@ -56,6 +56,7 @@ $(document).ready(function() {
         }
     });
     
+    post_diskusage();
 
     // smooth scrolling for internal links
     function filterPath(string) {